<?xml version="1.0" encoding="US-ASCII"?>
<!--XBRL Document Created with WebFilings-->
<!-- -->
<linkbase xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd" xmlns="http://www.xbrl.org/2003/linkbase" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
  <roleRef roleURI="http://www.meadjohnson.com/role/AccountingPolicies" xlink:href="mjn-20140422.xsd#AccountingPolicies" xlink:type="simple" />
  <roleRef roleURI="http://www.meadjohnson.com/role/AccountingPoliciesAccountingChangeTableDetails" xlink:href="mjn-20140422.xsd#AccountingPoliciesAccountingChangeTableDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.meadjohnson.com/role/AccountingPoliciesDetails" xlink:href="mjn-20140422.xsd#AccountingPoliciesDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.meadjohnson.com/role/AccountingPoliciesDetails2" xlink:href="mjn-20140422.xsd#AccountingPoliciesDetails2" xlink:type="simple" />
  <roleRef roleURI="http://www.meadjohnson.com/role/AccountingPoliciesDetails3" xlink:href="mjn-20140422.xsd#AccountingPoliciesDetails3" xlink:type="simple" />
  <roleRef roleURI="http://www.meadjohnson.com/role/AccountingPoliciesPolicies" xlink:href="mjn-20140422.xsd#AccountingPoliciesPolicies" xlink:type="simple" />
  <roleRef roleURI="http://www.meadjohnson.com/role/ConsolidatedBalanceSheets" xlink:href="mjn-20140422.xsd#ConsolidatedBalanceSheets" xlink:type="simple" />
  <roleRef roleURI="http://www.meadjohnson.com/role/ConsolidatedBalanceSheetsParenthetical" xlink:href="mjn-20140422.xsd#ConsolidatedBalanceSheetsParenthetical" xlink:type="simple" />
  <roleRef roleURI="http://www.meadjohnson.com/role/ConsolidatedStatementsOfCashFlows" xlink:href="mjn-20140422.xsd#ConsolidatedStatementsOfCashFlows" xlink:type="simple" />
  <roleRef roleURI="http://www.meadjohnson.com/role/ConsolidatedStatementsOfComprehensiveIncome" xlink:href="mjn-20140422.xsd#ConsolidatedStatementsOfComprehensiveIncome" xlink:type="simple" />
  <roleRef roleURI="http://www.meadjohnson.com/role/ConsolidatedStatementsOfEarnings" xlink:href="mjn-20140422.xsd#ConsolidatedStatementsOfEarnings" xlink:type="simple" />
  <roleRef roleURI="http://www.meadjohnson.com/role/ConsolidatedStatementsOfEquityAndRedeemableNoncontrollingInterestConsolidatedStatementsOfEquityAndRedeemableNoncontrollingInterestParenthetical" xlink:href="mjn-20140422.xsd#ConsolidatedStatementsOfEquityAndRedeemableNoncontrollingInterestConsolidatedStatementsOfEquityAndRedeemableNoncontrollingInterestParenthetical" xlink:type="simple" />
  <roleRef roleURI="http://www.meadjohnson.com/role/ConsolidatedStatementsOfEquityDeficitAndRedeemableNoncontrollingInterest" xlink:href="mjn-20140422.xsd#ConsolidatedStatementsOfEquityDeficitAndRedeemableNoncontrollingInterest" xlink:type="simple" />
  <roleRef roleURI="http://www.meadjohnson.com/role/Contingencies" xlink:href="mjn-20140422.xsd#Contingencies" xlink:type="simple" />
  <roleRef roleURI="http://www.meadjohnson.com/role/ContingenciesDetails" xlink:href="mjn-20140422.xsd#ContingenciesDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.meadjohnson.com/role/Debt" xlink:href="mjn-20140422.xsd#Debt" xlink:type="simple" />
  <roleRef roleURI="http://www.meadjohnson.com/role/DebtDetails" xlink:href="mjn-20140422.xsd#DebtDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.meadjohnson.com/role/DebtDetails2" xlink:href="mjn-20140422.xsd#DebtDetails2" xlink:type="simple" />
  <roleRef roleURI="http://www.meadjohnson.com/role/DebtTables" xlink:href="mjn-20140422.xsd#DebtTables" xlink:type="simple" />
  <roleRef roleURI="http://www.meadjohnson.com/role/DerivativesAndOtherFinancialInstruments" xlink:href="mjn-20140422.xsd#DerivativesAndOtherFinancialInstruments" xlink:type="simple" />
  <roleRef roleURI="http://www.meadjohnson.com/role/DerivativesAndOtherFinancialInstrumentsDetails" xlink:href="mjn-20140422.xsd#DerivativesAndOtherFinancialInstrumentsDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.meadjohnson.com/role/DerivativesAndOtherFinancialInstrumentsDetails2" xlink:href="mjn-20140422.xsd#DerivativesAndOtherFinancialInstrumentsDetails2" xlink:type="simple" />
  <roleRef roleURI="http://www.meadjohnson.com/role/DerivativesAndOtherFinancialInstrumentsDetails3" xlink:href="mjn-20140422.xsd#DerivativesAndOtherFinancialInstrumentsDetails3" xlink:type="simple" />
  <roleRef roleURI="http://www.meadjohnson.com/role/DerivativesAndOtherFinancialInstrumentsTables" xlink:href="mjn-20140422.xsd#DerivativesAndOtherFinancialInstrumentsTables" xlink:type="simple" />
  <roleRef roleURI="http://www.meadjohnson.com/role/DocumentAndEntityInformation" xlink:href="mjn-20140422.xsd#DocumentAndEntityInformation" xlink:type="simple" />
  <roleRef roleURI="http://www.meadjohnson.com/role/EarningsPerShare" xlink:href="mjn-20140422.xsd#EarningsPerShare" xlink:type="simple" />
  <roleRef roleURI="http://www.meadjohnson.com/role/EarningsPerShareDetails" xlink:href="mjn-20140422.xsd#EarningsPerShareDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.meadjohnson.com/role/EarningsPerShareTables" xlink:href="mjn-20140422.xsd#EarningsPerShareTables" xlink:type="simple" />
  <roleRef roleURI="http://www.meadjohnson.com/role/EmployeeStockBenefitPlans" xlink:href="mjn-20140422.xsd#EmployeeStockBenefitPlans" xlink:type="simple" />
  <roleRef roleURI="http://www.meadjohnson.com/role/EmployeeStockBenefitPlansDetails" xlink:href="mjn-20140422.xsd#EmployeeStockBenefitPlansDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.meadjohnson.com/role/EmployeeStockBenefitPlansDetails2" xlink:href="mjn-20140422.xsd#EmployeeStockBenefitPlansDetails2" xlink:type="simple" />
  <roleRef roleURI="http://www.meadjohnson.com/role/EmployeeStockBenefitPlansTables" xlink:href="mjn-20140422.xsd#EmployeeStockBenefitPlansTables" xlink:type="simple" />
  <roleRef roleURI="http://www.meadjohnson.com/role/Equity" xlink:href="mjn-20140422.xsd#Equity" xlink:type="simple" />
  <roleRef roleURI="http://www.meadjohnson.com/role/EquityDetails" xlink:href="mjn-20140422.xsd#EquityDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.meadjohnson.com/role/EquityTables" xlink:href="mjn-20140422.xsd#EquityTables" xlink:type="simple" />
  <roleRef roleURI="http://www.meadjohnson.com/role/Goodwill" xlink:href="mjn-20140422.xsd#Goodwill" xlink:type="simple" />
  <roleRef roleURI="http://www.meadjohnson.com/role/GoodwillDetails" xlink:href="mjn-20140422.xsd#GoodwillDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.meadjohnson.com/role/GoodwillTables" xlink:href="mjn-20140422.xsd#GoodwillTables" xlink:type="simple" />
  <roleRef roleURI="http://www.meadjohnson.com/role/IncomeTaxes" xlink:href="mjn-20140422.xsd#IncomeTaxes" xlink:type="simple" />
  <roleRef roleURI="http://www.meadjohnson.com/role/IncomeTaxesDetails" xlink:href="mjn-20140422.xsd#IncomeTaxesDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.meadjohnson.com/role/IncomeTaxesDetails2" xlink:href="mjn-20140422.xsd#IncomeTaxesDetails2" xlink:type="simple" />
  <roleRef roleURI="http://www.meadjohnson.com/role/IncomeTaxesDetails3" xlink:href="mjn-20140422.xsd#IncomeTaxesDetails3" xlink:type="simple" />
  <roleRef roleURI="http://www.meadjohnson.com/role/IncomeTaxesTables" xlink:href="mjn-20140422.xsd#IncomeTaxesTables" xlink:type="simple" />
  <roleRef roleURI="http://www.meadjohnson.com/role/Inventories" xlink:href="mjn-20140422.xsd#Inventories" xlink:type="simple" />
  <roleRef roleURI="http://www.meadjohnson.com/role/InventoriesDetails" xlink:href="mjn-20140422.xsd#InventoriesDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.meadjohnson.com/role/InventoriesTables" xlink:href="mjn-20140422.xsd#InventoriesTables" xlink:type="simple" />
  <roleRef roleURI="http://www.meadjohnson.com/role/Leases" xlink:href="mjn-20140422.xsd#Leases" xlink:type="simple" />
  <roleRef roleURI="http://www.meadjohnson.com/role/LeasesDetails" xlink:href="mjn-20140422.xsd#LeasesDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.meadjohnson.com/role/LeasesTables" xlink:href="mjn-20140422.xsd#LeasesTables" xlink:type="simple" />
  <roleRef roleURI="http://www.meadjohnson.com/role/LongLivedAssets" xlink:href="mjn-20140422.xsd#LongLivedAssets" xlink:type="simple" />
  <roleRef roleURI="http://www.meadjohnson.com/role/LongLivedAssetsDetails" xlink:href="mjn-20140422.xsd#LongLivedAssetsDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.meadjohnson.com/role/LongLivedAssetsNonCashActivityDetails" xlink:href="mjn-20140422.xsd#LongLivedAssetsNonCashActivityDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.meadjohnson.com/role/LongLivedAssetsTables" xlink:href="mjn-20140422.xsd#LongLivedAssetsTables" xlink:type="simple" />
  <roleRef roleURI="http://www.meadjohnson.com/role/NoncontrollingInterests" xlink:href="mjn-20140422.xsd#NoncontrollingInterests" xlink:type="simple" />
  <roleRef roleURI="http://www.meadjohnson.com/role/NoncontrollingInterestsDetails" xlink:href="mjn-20140422.xsd#NoncontrollingInterestsDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.meadjohnson.com/role/Organization" xlink:href="mjn-20140422.xsd#Organization" xlink:type="simple" />
  <roleRef roleURI="http://www.meadjohnson.com/role/OtherExpensesNet" xlink:href="mjn-20140422.xsd#OtherExpensesNet" xlink:type="simple" />
  <roleRef roleURI="http://www.meadjohnson.com/role/OtherExpensesNetDetails" xlink:href="mjn-20140422.xsd#OtherExpensesNetDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.meadjohnson.com/role/OtherExpensesNetTables" xlink:href="mjn-20140422.xsd#OtherExpensesNetTables" xlink:type="simple" />
  <roleRef roleURI="http://www.meadjohnson.com/role/OtherIntangibleAssetsDetails" xlink:href="mjn-20140422.xsd#OtherIntangibleAssetsDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.meadjohnson.com/role/PensionAndOtherPostEmploymentBenefitPlans" xlink:href="mjn-20140422.xsd#PensionAndOtherPostEmploymentBenefitPlans" xlink:type="simple" />
  <roleRef roleURI="http://www.meadjohnson.com/role/PensionAndOtherPostEmploymentBenefitPlansDetails" xlink:href="mjn-20140422.xsd#PensionAndOtherPostEmploymentBenefitPlansDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.meadjohnson.com/role/PensionAndOtherPostEmploymentBenefitPlansTables" xlink:href="mjn-20140422.xsd#PensionAndOtherPostEmploymentBenefitPlansTables" xlink:type="simple" />
  <roleRef roleURI="http://www.meadjohnson.com/role/Receivables" xlink:href="mjn-20140422.xsd#Receivables" xlink:type="simple" />
  <roleRef roleURI="http://www.meadjohnson.com/role/ReceivablesDetails" xlink:href="mjn-20140422.xsd#ReceivablesDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.meadjohnson.com/role/ReceivablesTables" xlink:href="mjn-20140422.xsd#ReceivablesTables" xlink:type="simple" />
  <roleRef roleURI="http://www.meadjohnson.com/role/RedeemableNoncontrollingInterestDetails" xlink:href="mjn-20140422.xsd#RedeemableNoncontrollingInterestDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.meadjohnson.com/role/RedeemableNoncontrollingInterestNotes" xlink:href="mjn-20140422.xsd#RedeemableNoncontrollingInterestNotes" xlink:type="simple" />
  <roleRef roleURI="http://www.meadjohnson.com/role/RedeemableNoncontrollingInterestTables" xlink:href="mjn-20140422.xsd#RedeemableNoncontrollingInterestTables" xlink:type="simple" />
  <roleRef roleURI="http://www.meadjohnson.com/role/ScheduleIiValuationAndQualifyingAccounts" xlink:href="mjn-20140422.xsd#ScheduleIiValuationAndQualifyingAccounts" xlink:type="simple" />
  <roleRef roleURI="http://www.meadjohnson.com/role/ScheduleIiValuationAndQualifyingAccountsDetails" xlink:href="mjn-20140422.xsd#ScheduleIiValuationAndQualifyingAccountsDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.meadjohnson.com/role/ScheduleIiValuationAndQualifyingAccountsTables" xlink:href="mjn-20140422.xsd#ScheduleIiValuationAndQualifyingAccountsTables" xlink:type="simple" />
  <roleRef roleURI="http://www.meadjohnson.com/role/SegmentInformation" xlink:href="mjn-20140422.xsd#SegmentInformation" xlink:type="simple" />
  <roleRef roleURI="http://www.meadjohnson.com/role/SegmentInformationDetails" xlink:href="mjn-20140422.xsd#SegmentInformationDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.meadjohnson.com/role/SegmentInformationDetails2" xlink:href="mjn-20140422.xsd#SegmentInformationDetails2" xlink:type="simple" />
  <roleRef roleURI="http://www.meadjohnson.com/role/SegmentInformationDetails3" xlink:href="mjn-20140422.xsd#SegmentInformationDetails3" xlink:type="simple" />
  <roleRef roleURI="http://www.meadjohnson.com/role/SegmentInformationTables" xlink:href="mjn-20140422.xsd#SegmentInformationTables" xlink:type="simple" />
  <roleRef roleURI="http://www.meadjohnson.com/role/SelectedQuarterlyFinancialDataunaudited" xlink:href="mjn-20140422.xsd#SelectedQuarterlyFinancialDataunaudited" xlink:type="simple" />
  <roleRef roleURI="http://www.meadjohnson.com/role/SelectedQuarterlyFinancialDataunauditedDetails" xlink:href="mjn-20140422.xsd#SelectedQuarterlyFinancialDataunauditedDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.meadjohnson.com/role/SelectedQuarterlyFinancialDataunauditedTables" xlink:href="mjn-20140422.xsd#SelectedQuarterlyFinancialDataunauditedTables" xlink:type="simple" />
  <arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/all" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#all" xlink:type="simple" />
  <arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-default" xlink:type="simple" />
  <arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-domain" xlink:type="simple" />
  <arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/domain-member" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#domain-member" xlink:type="simple" />
  <arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#hypercube-dimension" xlink:type="simple" />
  <definitionLink xlink:role="http://www.meadjohnson.com/role/AccountingPolicies" xlink:type="extended" />
  <definitionLink xlink:role="http://www.meadjohnson.com/role/AccountingPoliciesAccountingChangeTableDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleLineItems" xlink:label="loc_us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleLineItems_F0BCF3E27B6D992CB50F66BBCCAD5FD9" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleTable" xlink:label="loc_us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleTable_1A3A20BEC6BD895B057B66BBCCAC0D89" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleLineItems_F0BCF3E27B6D992CB50F66BBCCAD5FD9" xlink:to="loc_us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleTable_1A3A20BEC6BD895B057B66BBCCAC0D89" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_StatementScenarioAxis" xlink:label="loc_us-gaap_StatementScenarioAxis_20818937AE13B09CD80B66BBCCADD86A" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleTable_1A3A20BEC6BD895B057B66BBCCAC0D89" xlink:to="loc_us-gaap_StatementScenarioAxis_20818937AE13B09CD80B66BBCCADD86A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ScenarioUnspecifiedDomain" xlink:label="loc_us-gaap_ScenarioUnspecifiedDomain_2645C83FEA6D7EFACDA466BBCCAD82AE_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementScenarioAxis_20818937AE13B09CD80B66BBCCADD86A" xlink:to="loc_us-gaap_ScenarioUnspecifiedDomain_2645C83FEA6D7EFACDA466BBCCAD82AE_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ScenarioUnspecifiedDomain" xlink:label="loc_us-gaap_ScenarioUnspecifiedDomain_2645C83FEA6D7EFACDA466BBCCAD82AE" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementScenarioAxis_20818937AE13B09CD80B66BBCCADD86A" xlink:to="loc_us-gaap_ScenarioUnspecifiedDomain_2645C83FEA6D7EFACDA466BBCCAD82AE" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ScenarioPreviouslyReportedMember" xlink:label="loc_us-gaap_ScenarioPreviouslyReportedMember_53EC3D053FB7B7269C6A66BBCCAD8D51" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScenarioUnspecifiedDomain_2645C83FEA6D7EFACDA466BBCCAD82AE" xlink:to="loc_us-gaap_ScenarioPreviouslyReportedMember_53EC3D053FB7B7269C6A66BBCCAD8D51" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ScenarioAdjustmentMember" xlink:label="loc_us-gaap_ScenarioAdjustmentMember_56B405D54A5F1A59B61E66BBCCADDC82" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScenarioUnspecifiedDomain_2645C83FEA6D7EFACDA466BBCCAD82AE" xlink:to="loc_us-gaap_ScenarioAdjustmentMember_56B405D54A5F1A59B61E66BBCCADDC82" xlink:type="arc" />
    <loc xlink:href="mjn-20140422.xsd#mjn_Annualrecognitionofactuarialgainslosses" xlink:label="loc_mjn_Annualrecognitionofactuarialgainslosses_CBB918FBDEE6EC6E752266BBCCAD7052" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleLineItems_F0BCF3E27B6D992CB50F66BBCCAD5FD9" xlink:to="loc_mjn_Annualrecognitionofactuarialgainslosses_CBB918FBDEE6EC6E752266BBCCAD7052" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CostOfGoodsSold" xlink:label="loc_us-gaap_CostOfGoodsSold_3F8CFA80E7E5DAB21F9F66BBCCADD558" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleLineItems_F0BCF3E27B6D992CB50F66BBCCAD5FD9" xlink:to="loc_us-gaap_CostOfGoodsSold_3F8CFA80E7E5DAB21F9F66BBCCADD558" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_SellingGeneralAndAdministrativeExpense" xlink:label="loc_us-gaap_SellingGeneralAndAdministrativeExpense_A8DA1465450ED6CA64D266BBCCAD3A67" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleLineItems_F0BCF3E27B6D992CB50F66BBCCAD5FD9" xlink:to="loc_us-gaap_SellingGeneralAndAdministrativeExpense_A8DA1465450ED6CA64D266BBCCAD3A67" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ResearchAndDevelopmentExpense" xlink:label="loc_us-gaap_ResearchAndDevelopmentExpense_E7FC6F6C24DD1D57448966BBCCAD2E87" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleLineItems_F0BCF3E27B6D992CB50F66BBCCAD5FD9" xlink:to="loc_us-gaap_ResearchAndDevelopmentExpense_E7FC6F6C24DD1D57448966BBCCAD2E87" xlink:type="arc" />
    <loc xlink:href="mjn-20140422.xsd#mjn_OtherExpensesincomenet" xlink:label="loc_mjn_OtherExpensesincomenet_BDEBB1427DC57B35483866BBCCADAC9E" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleLineItems_F0BCF3E27B6D992CB50F66BBCCAD5FD9" xlink:to="loc_mjn_OtherExpensesincomenet_BDEBB1427DC57B35483866BBCCADAC9E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeInterestExpenseInterestIncomeIncomeTaxesExtraordinaryItemsNoncontrollingInterestsNet" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeInterestExpenseInterestIncomeIncomeTaxesExtraordinaryItemsNoncontrollingInterestsNet_100C16CADB5DEF73148A66BBCCAD65DC" xlink:type="locator" />
    <definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleLineItems_F0BCF3E27B6D992CB50F66BBCCAD5FD9" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeInterestExpenseInterestIncomeIncomeTaxesExtraordinaryItemsNoncontrollingInterestsNet_100C16CADB5DEF73148A66BBCCAD65DC" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_2E81571D0D3DD03DE8B866BBCCADF0AD" xlink:type="locator" />
    <definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleLineItems_F0BCF3E27B6D992CB50F66BBCCAD5FD9" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_2E81571D0D3DD03DE8B866BBCCADF0AD" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_IncomeTaxExpenseBenefit" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_AAC6B9930F91E4D3BBA166BBCCAD240B" xlink:type="locator" />
    <definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleLineItems_F0BCF3E27B6D992CB50F66BBCCAD5FD9" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_AAC6B9930F91E4D3BBA166BBCCAD240B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ProfitLoss" xlink:label="loc_us-gaap_ProfitLoss_1836C01F87648AC783A166BBCCAECEFA" xlink:type="locator" />
    <definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleLineItems_F0BCF3E27B6D992CB50F66BBCCAD5FD9" xlink:to="loc_us-gaap_ProfitLoss_1836C01F87648AC783A166BBCCAECEFA" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="loc_us-gaap_NetIncomeLoss_F6832B5176DF40759C3966BBCCAE9C6E" xlink:type="locator" />
    <definitionArc order="10" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleLineItems_F0BCF3E27B6D992CB50F66BBCCAD5FD9" xlink:to="loc_us-gaap_NetIncomeLoss_F6832B5176DF40759C3966BBCCAE9C6E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_EarningsPerShareBasic" xlink:label="loc_us-gaap_EarningsPerShareBasic_5FC70EDBA245AEF4BE3F66BBCCAE135D" xlink:type="locator" />
    <definitionArc order="11" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleLineItems_F0BCF3E27B6D992CB50F66BBCCAD5FD9" xlink:to="loc_us-gaap_EarningsPerShareBasic_5FC70EDBA245AEF4BE3F66BBCCAE135D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_EarningsPerShareDiluted" xlink:label="loc_us-gaap_EarningsPerShareDiluted_31710694712E8BD493A066BBCCAE5704" xlink:type="locator" />
    <definitionArc order="12" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleLineItems_F0BCF3E27B6D992CB50F66BBCCAD5FD9" xlink:to="loc_us-gaap_EarningsPerShareDiluted_31710694712E8BD493A066BBCCAE5704" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeReclassificationAdjustmentsAndTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeReclassificationAdjustmentsAndTax_F849157954F7C75C7F0166BBCCDB1C15" xlink:type="locator" />
    <definitionArc order="13" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleLineItems_F0BCF3E27B6D992CB50F66BBCCAD5FD9" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeReclassificationAdjustmentsAndTax_F849157954F7C75C7F0166BBCCDB1C15" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax_6FAAF9D3FA14B1F8AC0166BBCCF04362" xlink:type="locator" />
    <definitionArc order="14" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleLineItems_F0BCF3E27B6D992CB50F66BBCCAD5FD9" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax_6FAAF9D3FA14B1F8AC0166BBCCF04362" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax_37AF210F5722B8135BC766BBCCFA6CBE" xlink:type="locator" />
    <definitionArc order="15" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleLineItems_F0BCF3E27B6D992CB50F66BBCCAD5FD9" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax_37AF210F5722B8135BC766BBCCFA6CBE" xlink:type="arc" />
    <loc xlink:href="mjn-20140422.xsd#mjn_AdditionalPaidinDistributedCapital" xlink:label="loc_mjn_AdditionalPaidinDistributedCapital_9E6EF951231A8E437E7A66BBCCAE6B2F" xlink:type="locator" />
    <definitionArc order="16" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleLineItems_F0BCF3E27B6D992CB50F66BBCCAD5FD9" xlink:to="loc_mjn_AdditionalPaidinDistributedCapital_9E6EF951231A8E437E7A66BBCCAE6B2F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_RetainedEarningsAccumulatedDeficit" xlink:label="loc_us-gaap_RetainedEarningsAccumulatedDeficit_20E9A564D27240EB6CBF66BBCCB38134" xlink:type="locator" />
    <definitionArc order="17" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleLineItems_F0BCF3E27B6D992CB50F66BBCCAD5FD9" xlink:to="loc_us-gaap_RetainedEarningsAccumulatedDeficit_20E9A564D27240EB6CBF66BBCCB38134" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_77950F87CF568A2704A866BBCCB3ECD9" xlink:type="locator" />
    <definitionArc order="18" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleLineItems_F0BCF3E27B6D992CB50F66BBCCAD5FD9" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_77950F87CF568A2704A866BBCCB3ECD9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DeferredIncomeTaxExpenseBenefit" xlink:label="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_BD630ADD14695496A57466BBCCB340D5" xlink:type="locator" />
    <definitionArc order="19" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleLineItems_F0BCF3E27B6D992CB50F66BBCCAD5FD9" xlink:to="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_BD630ADD14695496A57466BBCCB340D5" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PensionExpense" xlink:label="loc_us-gaap_PensionExpense_9CD3BE328A25F38C885666BBCCB3DC76" xlink:type="locator" />
    <definitionArc order="20" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleLineItems_F0BCF3E27B6D992CB50F66BBCCAD5FD9" xlink:to="loc_us-gaap_PensionExpense_9CD3BE328A25F38C885666BBCCB3DC76" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.meadjohnson.com/role/AccountingPoliciesDetails" xlink:type="extended" />
  <definitionLink xlink:role="http://www.meadjohnson.com/role/AccountingPoliciesDetails2" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PropertyPlantAndEquipmentLineItems" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentLineItems_8A7280795FDCD24F29486FA8E092B9DB" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ScheduleOfPropertyPlantAndEquipmentTable" xlink:label="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_BB5B65258D69E61DAF0B6FA8E092038C" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_8A7280795FDCD24F29486FA8E092B9DB" xlink:to="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_BB5B65258D69E61DAF0B6FA8E092038C" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_RangeAxis" xlink:label="loc_us-gaap_RangeAxis_81DC1143760E23A2E5F76FA8E0921410" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_BB5B65258D69E61DAF0B6FA8E092038C" xlink:to="loc_us-gaap_RangeAxis_81DC1143760E23A2E5F76FA8E0921410" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_RangeMember" xlink:label="loc_us-gaap_RangeMember_2341B9F829F9DB333D7A6FA8E0925F5A_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RangeAxis_81DC1143760E23A2E5F76FA8E0921410" xlink:to="loc_us-gaap_RangeMember_2341B9F829F9DB333D7A6FA8E0925F5A_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_RangeMember" xlink:label="loc_us-gaap_RangeMember_2341B9F829F9DB333D7A6FA8E0925F5A" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RangeAxis_81DC1143760E23A2E5F76FA8E0921410" xlink:to="loc_us-gaap_RangeMember_2341B9F829F9DB333D7A6FA8E0925F5A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_MinimumMember" xlink:label="loc_us-gaap_MinimumMember_40EB31EB55B7F24DD2266FA8E092C5CF" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RangeMember_2341B9F829F9DB333D7A6FA8E0925F5A" xlink:to="loc_us-gaap_MinimumMember_40EB31EB55B7F24DD2266FA8E092C5CF" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_MaximumMember" xlink:label="loc_us-gaap_MaximumMember_BADE61DDB0A95F0B529E6FA8E0925E02" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RangeMember_2341B9F829F9DB333D7A6FA8E0925F5A" xlink:to="loc_us-gaap_MaximumMember_BADE61DDB0A95F0B529E6FA8E0925E02" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PropertyPlantAndEquipmentByTypeAxis" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_1D1894EB0CA897FBAAAB6FA8E0923365" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_BB5B65258D69E61DAF0B6FA8E092038C" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_1D1894EB0CA897FBAAAB6FA8E0923365" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_16470F07E1FE2724C3486FA8E0924CAC_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_1D1894EB0CA897FBAAAB6FA8E0923365" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_16470F07E1FE2724C3486FA8E0924CAC_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_16470F07E1FE2724C3486FA8E0924CAC" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_1D1894EB0CA897FBAAAB6FA8E0923365" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_16470F07E1FE2724C3486FA8E0924CAC" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_BuildingMember" xlink:label="loc_us-gaap_BuildingMember_52880D419344F6602ABC6FA8E092EECF" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_16470F07E1FE2724C3486FA8E0924CAC" xlink:to="loc_us-gaap_BuildingMember_52880D419344F6602ABC6FA8E092EECF" xlink:type="arc" />
    <loc xlink:href="mjn-20140422.xsd#mjn_MachineryEquipmentAndFixturesMember" xlink:label="loc_mjn_MachineryEquipmentAndFixturesMember_131C7297864B4064EC8E6FA8E092E8D8" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_16470F07E1FE2724C3486FA8E0924CAC" xlink:to="loc_mjn_MachineryEquipmentAndFixturesMember_131C7297864B4064EC8E6FA8E092E8D8" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PropertyPlantAndEquipmentUsefulLife" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentUsefulLife_19C0785E11E2BEE3F70E6FA8E0931534" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_8A7280795FDCD24F29486FA8E092B9DB" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentUsefulLife_19C0785E11E2BEE3F70E6FA8E0931534" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsNetAbstract" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsNetAbstract_9B36AFB59B6E9CE21AAA6FA8E093DB7B" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_8A7280795FDCD24F29486FA8E092B9DB" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsNetAbstract_9B36AFB59B6E9CE21AAA6FA8E093DB7B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetUsefulLife" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetUsefulLife_AD83C245D8ABA491D0056FA8E0939C21" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNetAbstract_9B36AFB59B6E9CE21AAA6FA8E093DB7B" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetUsefulLife_AD83C245D8ABA491D0056FA8E0939C21" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.meadjohnson.com/role/AccountingPoliciesDetails3" xlink:type="extended" />
  <definitionLink xlink:role="http://www.meadjohnson.com/role/AccountingPoliciesPolicies" xlink:type="extended" />
  <definitionLink xlink:role="http://www.meadjohnson.com/role/ConsolidatedBalanceSheets" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_StatementLineItems" xlink:label="loc_us-gaap_StatementLineItems_0B5DF35EEF28AA6AB2996FA8E0A334F5" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_StatementTable" xlink:label="loc_us-gaap_StatementTable_6DD88588865ECFDF4DA96FA8E0A3AC15" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_StatementLineItems_0B5DF35EEF28AA6AB2996FA8E0A334F5" xlink:to="loc_us-gaap_StatementTable_6DD88588865ECFDF4DA96FA8E0A3AC15" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_StatementScenarioAxis" xlink:label="loc_us-gaap_StatementScenarioAxis_69E1491FF9A85352C99E6FA8E0A3E31F" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_6DD88588865ECFDF4DA96FA8E0A3AC15" xlink:to="loc_us-gaap_StatementScenarioAxis_69E1491FF9A85352C99E6FA8E0A3E31F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ScenarioUnspecifiedDomain" xlink:label="loc_us-gaap_ScenarioUnspecifiedDomain_446EF25C9D91AADBA7E36FA8E0A30984_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementScenarioAxis_69E1491FF9A85352C99E6FA8E0A3E31F" xlink:to="loc_us-gaap_ScenarioUnspecifiedDomain_446EF25C9D91AADBA7E36FA8E0A30984_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ScenarioUnspecifiedDomain" xlink:label="loc_us-gaap_ScenarioUnspecifiedDomain_446EF25C9D91AADBA7E36FA8E0A30984" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementScenarioAxis_69E1491FF9A85352C99E6FA8E0A3E31F" xlink:to="loc_us-gaap_ScenarioUnspecifiedDomain_446EF25C9D91AADBA7E36FA8E0A30984" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AssetsAbstract" xlink:label="loc_us-gaap_AssetsAbstract_A204A46F9BFB9EEAF5B56FA8E0A3A732" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_0B5DF35EEF28AA6AB2996FA8E0A334F5" xlink:to="loc_us-gaap_AssetsAbstract_A204A46F9BFB9EEAF5B56FA8E0A3A732" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AssetsCurrentAbstract" xlink:label="loc_us-gaap_AssetsCurrentAbstract_0C128AA3ECF18CBAD1926FA8E0A3AEE3" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_A204A46F9BFB9EEAF5B56FA8E0A3A732" xlink:to="loc_us-gaap_AssetsCurrentAbstract_0C128AA3ECF18CBAD1926FA8E0A3AEE3" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_83A20AB48E97EB3196A66FA8E0A375EE" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsCurrentAbstract_0C128AA3ECF18CBAD1926FA8E0A3AEE3" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_83A20AB48E97EB3196A66FA8E0A375EE" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ReceivablesNetCurrent" xlink:label="loc_us-gaap_ReceivablesNetCurrent_FF4E1DFA29059E15A6666FA8E0A3115C" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsCurrentAbstract_0C128AA3ECF18CBAD1926FA8E0A3AEE3" xlink:to="loc_us-gaap_ReceivablesNetCurrent_FF4E1DFA29059E15A6666FA8E0A3115C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_InventoryNet" xlink:label="loc_us-gaap_InventoryNet_F85458BEA0A16F2ABC216FA8E0A3D0BA" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsCurrentAbstract_0C128AA3ECF18CBAD1926FA8E0A3AEE3" xlink:to="loc_us-gaap_InventoryNet_F85458BEA0A16F2ABC216FA8E0A3D0BA" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DeferredTaxAssetsNetCurrent" xlink:label="loc_us-gaap_DeferredTaxAssetsNetCurrent_82CDE3EEC44F8F8508256FA8E0A48990" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsCurrentAbstract_0C128AA3ECF18CBAD1926FA8E0A3AEE3" xlink:to="loc_us-gaap_DeferredTaxAssetsNetCurrent_82CDE3EEC44F8F8508256FA8E0A48990" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_IncomeTaxesReceivable" xlink:label="loc_us-gaap_IncomeTaxesReceivable_71A8625F3C8DB7CEF7346FA8E0A41D25" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsCurrentAbstract_0C128AA3ECF18CBAD1926FA8E0A3AEE3" xlink:to="loc_us-gaap_IncomeTaxesReceivable_71A8625F3C8DB7CEF7346FA8E0A41D25" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PrepaidExpenseAndOtherAssets" xlink:label="loc_us-gaap_PrepaidExpenseAndOtherAssets_E2765C3FB219FA88B6276FA8E0A4DEA2" xlink:type="locator" />
    <definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsCurrentAbstract_0C128AA3ECF18CBAD1926FA8E0A3AEE3" xlink:to="loc_us-gaap_PrepaidExpenseAndOtherAssets_E2765C3FB219FA88B6276FA8E0A4DEA2" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AssetsCurrent" xlink:label="loc_us-gaap_AssetsCurrent_3518925B112EDD68E7096FA8E0A42F1C" xlink:type="locator" />
    <definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsCurrentAbstract_0C128AA3ECF18CBAD1926FA8E0A3AEE3" xlink:to="loc_us-gaap_AssetsCurrent_3518925B112EDD68E7096FA8E0A42F1C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PropertyPlantAndEquipmentNet" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNet_1C5358411DEC1B181D266FA8E0A41FD0" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_A204A46F9BFB9EEAF5B56FA8E0A3A732" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentNet_1C5358411DEC1B181D266FA8E0A41FD0" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_Goodwill" xlink:label="loc_us-gaap_Goodwill_B96E830CCC04073EB5A26FA8E0A416AA" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_A204A46F9BFB9EEAF5B56FA8E0A3A732" xlink:to="loc_us-gaap_Goodwill_B96E830CCC04073EB5A26FA8E0A416AA" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_IntangibleAssetsNetExcludingGoodwill" xlink:label="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_E3CDEE8926B64A4774A76FA8E0A477BB" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_A204A46F9BFB9EEAF5B56FA8E0A3A732" xlink:to="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_E3CDEE8926B64A4774A76FA8E0A477BB" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DeferredTaxAssetsNetNoncurrent" xlink:label="loc_us-gaap_DeferredTaxAssetsNetNoncurrent_10A90AB3ECDD0B5435BB6FA8E0A4EE35" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_A204A46F9BFB9EEAF5B56FA8E0A3A732" xlink:to="loc_us-gaap_DeferredTaxAssetsNetNoncurrent_10A90AB3ECDD0B5435BB6FA8E0A4EE35" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OtherAssetsNoncurrent" xlink:label="loc_us-gaap_OtherAssetsNoncurrent_7431AFCE46BEA3B87BB66FA8E0A47D97" xlink:type="locator" />
    <definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_A204A46F9BFB9EEAF5B56FA8E0A3A732" xlink:to="loc_us-gaap_OtherAssetsNoncurrent_7431AFCE46BEA3B87BB66FA8E0A47D97" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_Assets" xlink:label="loc_us-gaap_Assets_785321F8025EAD09B8CF6FA8E0A4E716" xlink:type="locator" />
    <definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_A204A46F9BFB9EEAF5B56FA8E0A3A732" xlink:to="loc_us-gaap_Assets_785321F8025EAD09B8CF6FA8E0A4E716" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_E8D5D9E4E5621E0B7AE26FA8E0A44DC1" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_0B5DF35EEF28AA6AB2996FA8E0A334F5" xlink:to="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_E8D5D9E4E5621E0B7AE26FA8E0A44DC1" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LiabilitiesCurrentAbstract" xlink:label="loc_us-gaap_LiabilitiesCurrentAbstract_6440CF13F752996E1FF46FA8E0A41380" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_E8D5D9E4E5621E0B7AE26FA8E0A44DC1" xlink:to="loc_us-gaap_LiabilitiesCurrentAbstract_6440CF13F752996E1FF46FA8E0A41380" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShortTermBorrowings" xlink:label="loc_us-gaap_ShortTermBorrowings_7AC86C735F76938709926FA8E0A4BABA" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_6440CF13F752996E1FF46FA8E0A41380" xlink:to="loc_us-gaap_ShortTermBorrowings_7AC86C735F76938709926FA8E0A4BABA" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AccountsPayableCurrent" xlink:label="loc_us-gaap_AccountsPayableCurrent_1E52E1304A6F431BDC2D6FA8E0A5B698" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_6440CF13F752996E1FF46FA8E0A41380" xlink:to="loc_us-gaap_AccountsPayableCurrent_1E52E1304A6F431BDC2D6FA8E0A5B698" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DividendsPayableCurrent" xlink:label="loc_us-gaap_DividendsPayableCurrent_2610F9690B767B51AF566FA8E0A54922" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_6440CF13F752996E1FF46FA8E0A41380" xlink:to="loc_us-gaap_DividendsPayableCurrent_2610F9690B767B51AF566FA8E0A54922" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LongTermDebtCurrent" xlink:label="loc_us-gaap_LongTermDebtCurrent_42CDA4D90563364D6F1D6FA8E0A5A7AC" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_6440CF13F752996E1FF46FA8E0A41380" xlink:to="loc_us-gaap_LongTermDebtCurrent_42CDA4D90563364D6F1D6FA8E0A5A7AC" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_NotesPayableCurrent" xlink:label="loc_us-gaap_NotesPayableCurrent_A68E54887C71E96968956FA8E0A5AD80" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_6440CF13F752996E1FF46FA8E0A41380" xlink:to="loc_us-gaap_NotesPayableCurrent_A68E54887C71E96968956FA8E0A5AD80" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AccruedLiabilitiesCurrent" xlink:label="loc_us-gaap_AccruedLiabilitiesCurrent_C0DD2B30BB62D36DA5016FA8E0A5FB48" xlink:type="locator" />
    <definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_6440CF13F752996E1FF46FA8E0A41380" xlink:to="loc_us-gaap_AccruedLiabilitiesCurrent_C0DD2B30BB62D36DA5016FA8E0A5FB48" xlink:type="arc" />
    <loc xlink:href="mjn-20140422.xsd#mjn_AccruedRebatesAndReturns" xlink:label="loc_mjn_AccruedRebatesAndReturns_1CBE3F0683E21DE9899F6FA8E0A53E39" xlink:type="locator" />
    <definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_6440CF13F752996E1FF46FA8E0A41380" xlink:to="loc_mjn_AccruedRebatesAndReturns_1CBE3F0683E21DE9899F6FA8E0A53E39" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DeferredRevenueCurrent" xlink:label="loc_us-gaap_DeferredRevenueCurrent_24216B3CE76162ED0C0C6FA8E0A548DD" xlink:type="locator" />
    <definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_6440CF13F752996E1FF46FA8E0A41380" xlink:to="loc_us-gaap_DeferredRevenueCurrent_24216B3CE76162ED0C0C6FA8E0A548DD" xlink:type="arc" />
    <loc xlink:href="mjn-20140422.xsd#mjn_IncomeTaxesPayableAndDeferred" xlink:label="loc_mjn_IncomeTaxesPayableAndDeferred_32EBED0C03F7B20BF9586FA8E0A51C04" xlink:type="locator" />
    <definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_6440CF13F752996E1FF46FA8E0A41380" xlink:to="loc_mjn_IncomeTaxesPayableAndDeferred_32EBED0C03F7B20BF9586FA8E0A51C04" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LiabilitiesCurrent" xlink:label="loc_us-gaap_LiabilitiesCurrent_C0AAC7C402ACF6849D6E6FA8E0A51EBC" xlink:type="locator" />
    <definitionArc order="10" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_6440CF13F752996E1FF46FA8E0A41380" xlink:to="loc_us-gaap_LiabilitiesCurrent_C0AAC7C402ACF6849D6E6FA8E0A51EBC" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LongTermDebtNoncurrent" xlink:label="loc_us-gaap_LongTermDebtNoncurrent_EA0AA9CD2B94BBF04F206FA8E0A55E6E" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_E8D5D9E4E5621E0B7AE26FA8E0A44DC1" xlink:to="loc_us-gaap_LongTermDebtNoncurrent_EA0AA9CD2B94BBF04F206FA8E0A55E6E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DeferredTaxLiabilitiesNoncurrent" xlink:label="loc_us-gaap_DeferredTaxLiabilitiesNoncurrent_C584E6EFD70A690DEBB46FA8E0A5554D" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_E8D5D9E4E5621E0B7AE26FA8E0A44DC1" xlink:to="loc_us-gaap_DeferredTaxLiabilitiesNoncurrent_C584E6EFD70A690DEBB46FA8E0A5554D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent" xlink:label="loc_us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent_50CC072D9F8AF31166566FA8E0A55714" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_E8D5D9E4E5621E0B7AE26FA8E0A44DC1" xlink:to="loc_us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent_50CC072D9F8AF31166566FA8E0A55714" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OtherLiabilitiesNoncurrent" xlink:label="loc_us-gaap_OtherLiabilitiesNoncurrent_D438C3E79A5925CCE8196FA8E0A51FD4" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_E8D5D9E4E5621E0B7AE26FA8E0A44DC1" xlink:to="loc_us-gaap_OtherLiabilitiesNoncurrent_D438C3E79A5925CCE8196FA8E0A51FD4" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_Liabilities" xlink:label="loc_us-gaap_Liabilities_064CDDEA9CA2F52BAEF86FA8E0A5CA3E" xlink:type="locator" />
    <definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_E8D5D9E4E5621E0B7AE26FA8E0A44DC1" xlink:to="loc_us-gaap_Liabilities_064CDDEA9CA2F52BAEF86FA8E0A5CA3E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CommitmentsAndContingencies" xlink:label="loc_us-gaap_CommitmentsAndContingencies_5C200432089A043D7A986FA8E0A607B4" xlink:type="locator" />
    <definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_E8D5D9E4E5621E0B7AE26FA8E0A44DC1" xlink:to="loc_us-gaap_CommitmentsAndContingencies_5C200432089A043D7A986FA8E0A607B4" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_RedeemableNoncontrollingInterestEquityCarryingAmount" xlink:label="loc_us-gaap_RedeemableNoncontrollingInterestEquityCarryingAmount_8E7B7D5F8BC40A9A2CDA6FA8E0A64A1F" xlink:type="locator" />
    <definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_E8D5D9E4E5621E0B7AE26FA8E0A44DC1" xlink:to="loc_us-gaap_RedeemableNoncontrollingInterestEquityCarryingAmount_8E7B7D5F8BC40A9A2CDA6FA8E0A64A1F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_EquityAbstract" xlink:label="loc_us-gaap_EquityAbstract_0AB112644F166E1CC9E56FA8E0A6615F" xlink:type="locator" />
    <definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_E8D5D9E4E5621E0B7AE26FA8E0A44DC1" xlink:to="loc_us-gaap_EquityAbstract_0AB112644F166E1CC9E56FA8E0A6615F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_2C7910B2747250EF0A6D6FA8E0A6FE41" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityAbstract_0AB112644F166E1CC9E56FA8E0A6615F" xlink:to="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_2C7910B2747250EF0A6D6FA8E0A6FE41" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CommonStockValue" xlink:label="loc_us-gaap_CommonStockValue_265BCEFE46DEA58F8EB76FA8E0A6FF9D" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_2C7910B2747250EF0A6D6FA8E0A6FE41" xlink:to="loc_us-gaap_CommonStockValue_265BCEFE46DEA58F8EB76FA8E0A6FF9D" xlink:type="arc" />
    <loc xlink:href="mjn-20140422.xsd#mjn_AdditionalPaidinDistributedCapital" xlink:label="loc_mjn_AdditionalPaidinDistributedCapital_5CE3537FB316827CE0866FA8E0A6D6F0" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_2C7910B2747250EF0A6D6FA8E0A6FE41" xlink:to="loc_mjn_AdditionalPaidinDistributedCapital_5CE3537FB316827CE0866FA8E0A6D6F0" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_RetainedEarningsAccumulatedDeficit" xlink:label="loc_us-gaap_RetainedEarningsAccumulatedDeficit_09612B1C584793C5E6676FA8E0A68E0E" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_2C7910B2747250EF0A6D6FA8E0A6FE41" xlink:to="loc_us-gaap_RetainedEarningsAccumulatedDeficit_09612B1C584793C5E6676FA8E0A68E0E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_TreasuryStockValue" xlink:label="loc_us-gaap_TreasuryStockValue_E274561BD679B5DDA7D46FA8E0A6FA74" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_2C7910B2747250EF0A6D6FA8E0A6FE41" xlink:to="loc_us-gaap_TreasuryStockValue_E274561BD679B5DDA7D46FA8E0A6FA74" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_D66257DCC2520571458D6FA8E0A6E6F9" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_2C7910B2747250EF0A6D6FA8E0A6FE41" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_D66257DCC2520571458D6FA8E0A6E6F9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_StockholdersEquity" xlink:label="loc_us-gaap_StockholdersEquity_69B2001A9D5D2D7CBC806FA8E0A6572A" xlink:type="locator" />
    <definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_2C7910B2747250EF0A6D6FA8E0A6FE41" xlink:to="loc_us-gaap_StockholdersEquity_69B2001A9D5D2D7CBC806FA8E0A6572A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_MinorityInterest" xlink:label="loc_us-gaap_MinorityInterest_A8AC0DD0EFBC6387F7C86FA8E0A68EA9" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityAbstract_0AB112644F166E1CC9E56FA8E0A6615F" xlink:to="loc_us-gaap_MinorityInterest_A8AC0DD0EFBC6387F7C86FA8E0A68EA9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_1CD7C6B621C8F26B6C0E6FA8E0A68BD9" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityAbstract_0AB112644F166E1CC9E56FA8E0A6615F" xlink:to="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_1CD7C6B621C8F26B6C0E6FA8E0A68BD9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquity" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquity_DE8E70676136C936D69D6FA8E0A65C3F" xlink:type="locator" />
    <definitionArc order="10" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_E8D5D9E4E5621E0B7AE26FA8E0A44DC1" xlink:to="loc_us-gaap_LiabilitiesAndStockholdersEquity_DE8E70676136C936D69D6FA8E0A65C3F" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.meadjohnson.com/role/ConsolidatedBalanceSheetsParenthetical" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_StatementLineItems" xlink:label="loc_us-gaap_StatementLineItems_408D6E5FBCEEF744B2346FA8E1A3FF9D" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_StatementTable" xlink:label="loc_us-gaap_StatementTable_1E2A969929F66D418E2A6FA8E1A39D2A" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_StatementLineItems_408D6E5FBCEEF744B2346FA8E1A3FF9D" xlink:to="loc_us-gaap_StatementTable_1E2A969929F66D418E2A6FA8E1A39D2A" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_StatementScenarioAxis" xlink:label="loc_us-gaap_StatementScenarioAxis_F6CCB1EC454F408EA5F86FA8E1A3F1A3" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_1E2A969929F66D418E2A6FA8E1A39D2A" xlink:to="loc_us-gaap_StatementScenarioAxis_F6CCB1EC454F408EA5F86FA8E1A3F1A3" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ScenarioUnspecifiedDomain" xlink:label="loc_us-gaap_ScenarioUnspecifiedDomain_47C2F88CE72EFE83E9C16FA8E1A3DC84_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementScenarioAxis_F6CCB1EC454F408EA5F86FA8E1A3F1A3" xlink:to="loc_us-gaap_ScenarioUnspecifiedDomain_47C2F88CE72EFE83E9C16FA8E1A3DC84_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ScenarioUnspecifiedDomain" xlink:label="loc_us-gaap_ScenarioUnspecifiedDomain_47C2F88CE72EFE83E9C16FA8E1A3DC84" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementScenarioAxis_F6CCB1EC454F408EA5F86FA8E1A3F1A3" xlink:to="loc_us-gaap_ScenarioUnspecifiedDomain_47C2F88CE72EFE83E9C16FA8E1A3DC84" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_StatementClassOfStockAxis" xlink:label="loc_us-gaap_StatementClassOfStockAxis_A358E6BDC74E0BD11A276FA8E1A35C53" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_1E2A969929F66D418E2A6FA8E1A39D2A" xlink:to="loc_us-gaap_StatementClassOfStockAxis_A358E6BDC74E0BD11A276FA8E1A35C53" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ClassOfStockDomain" xlink:label="loc_us-gaap_ClassOfStockDomain_0F29181FBECFEBB4D84E6FA8E1A3DAC5_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementClassOfStockAxis_A358E6BDC74E0BD11A276FA8E1A35C53" xlink:to="loc_us-gaap_ClassOfStockDomain_0F29181FBECFEBB4D84E6FA8E1A3DAC5_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ClassOfStockDomain" xlink:label="loc_us-gaap_ClassOfStockDomain_0F29181FBECFEBB4D84E6FA8E1A3DAC5" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementClassOfStockAxis_A358E6BDC74E0BD11A276FA8E1A35C53" xlink:to="loc_us-gaap_ClassOfStockDomain_0F29181FBECFEBB4D84E6FA8E1A3DAC5" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.meadjohnson.com/role/ConsolidatedStatementsOfCashFlows" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_StatementLineItems" xlink:label="loc_us-gaap_StatementLineItems_F705004159A39FC572BC6FA8E189426B" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_StatementTable" xlink:label="loc_us-gaap_StatementTable_89AC016B72F4C83326786FA8E1894BD3" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_StatementLineItems_F705004159A39FC572BC6FA8E189426B" xlink:to="loc_us-gaap_StatementTable_89AC016B72F4C83326786FA8E1894BD3" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_StatementScenarioAxis" xlink:label="loc_us-gaap_StatementScenarioAxis_AEE77826D85C3515E0E56FA8E1892792" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_89AC016B72F4C83326786FA8E1894BD3" xlink:to="loc_us-gaap_StatementScenarioAxis_AEE77826D85C3515E0E56FA8E1892792" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ScenarioUnspecifiedDomain" xlink:label="loc_us-gaap_ScenarioUnspecifiedDomain_2C1CF0E16A6759AC6EDE6FA8E189DEEC_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementScenarioAxis_AEE77826D85C3515E0E56FA8E1892792" xlink:to="loc_us-gaap_ScenarioUnspecifiedDomain_2C1CF0E16A6759AC6EDE6FA8E189DEEC_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ScenarioUnspecifiedDomain" xlink:label="loc_us-gaap_ScenarioUnspecifiedDomain_2C1CF0E16A6759AC6EDE6FA8E189DEEC" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementScenarioAxis_AEE77826D85C3515E0E56FA8E1892792" xlink:to="loc_us-gaap_ScenarioUnspecifiedDomain_2C1CF0E16A6759AC6EDE6FA8E189DEEC" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ProfitLoss" xlink:label="loc_us-gaap_ProfitLoss_937C199112D6B822A3696FA8E1897535" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_F705004159A39FC572BC6FA8E189426B" xlink:to="loc_us-gaap_ProfitLoss_937C199112D6B822A3696FA8E1897535" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:label="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_01DF37B9EB5FF79891FF6FA8E1899F32" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_F705004159A39FC572BC6FA8E189426B" xlink:to="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_01DF37B9EB5FF79891FF6FA8E1899F32" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DepreciationDepletionAndAmortization" xlink:label="loc_us-gaap_DepreciationDepletionAndAmortization_5DC58F6E0EB69198DD386FA8E189A4F0" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_01DF37B9EB5FF79891FF6FA8E1899F32" xlink:to="loc_us-gaap_DepreciationDepletionAndAmortization_5DC58F6E0EB69198DD386FA8E189A4F0" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShareBasedCompensation" xlink:label="loc_us-gaap_ShareBasedCompensation_DACC975C78E29414B7E76FA8E189BFF0" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_01DF37B9EB5FF79891FF6FA8E1899F32" xlink:to="loc_us-gaap_ShareBasedCompensation_DACC975C78E29414B7E76FA8E189BFF0" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DeferredIncomeTaxExpenseBenefit" xlink:label="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_31F6094923961790319F6FA8E1891E36" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_01DF37B9EB5FF79891FF6FA8E1899F32" xlink:to="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_31F6094923961790319F6FA8E1891E36" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_GainLossOnDispositionOfIntangibleAssets" xlink:label="loc_us-gaap_GainLossOnDispositionOfIntangibleAssets_27B9EA6050B9E153B49E6FA8E189A61E" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_01DF37B9EB5FF79891FF6FA8E1899F32" xlink:to="loc_us-gaap_GainLossOnDispositionOfIntangibleAssets_27B9EA6050B9E153B49E6FA8E189A61E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AmountRecognizedInIncomeDueToInflationaryAccounting" xlink:label="loc_us-gaap_AmountRecognizedInIncomeDueToInflationaryAccounting_0E637E75469C5FD708EA6FA8E18A12D7" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_01DF37B9EB5FF79891FF6FA8E1899F32" xlink:to="loc_us-gaap_AmountRecognizedInIncomeDueToInflationaryAccounting_0E637E75469C5FD708EA6FA8E18A12D7" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PensionExpense" xlink:label="loc_us-gaap_PensionExpense_054DDD10EB220AB801626FA8E18AEFBF" xlink:type="locator" />
    <definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_01DF37B9EB5FF79891FF6FA8E1899F32" xlink:to="loc_us-gaap_PensionExpense_054DDD10EB220AB801626FA8E18AEFBF" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OtherNoncashIncomeExpense" xlink:label="loc_us-gaap_OtherNoncashIncomeExpense_D8ABFD74167A44C1940F6FA8E18A6B82" xlink:type="locator" />
    <definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_01DF37B9EB5FF79891FF6FA8E1899F32" xlink:to="loc_us-gaap_OtherNoncashIncomeExpense_D8ABFD74167A44C1940F6FA8E18A6B82" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_IncreaseDecreaseInReceivables" xlink:label="loc_us-gaap_IncreaseDecreaseInReceivables_382F80CA4D352390B09A6FA8E18A1624" xlink:type="locator" />
    <definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_01DF37B9EB5FF79891FF6FA8E1899F32" xlink:to="loc_us-gaap_IncreaseDecreaseInReceivables_382F80CA4D352390B09A6FA8E18A1624" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_IncreaseDecreaseInInventories" xlink:label="loc_us-gaap_IncreaseDecreaseInInventories_AC3F6539D2E62DA1B6F56FA8E18AF2F6" xlink:type="locator" />
    <definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_01DF37B9EB5FF79891FF6FA8E1899F32" xlink:to="loc_us-gaap_IncreaseDecreaseInInventories_AC3F6539D2E62DA1B6F56FA8E18AF2F6" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsPayable" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsPayable_C9DF3ED8DA571D53FA436FA8E18A6776" xlink:type="locator" />
    <definitionArc order="10" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_01DF37B9EB5FF79891FF6FA8E1899F32" xlink:to="loc_us-gaap_IncreaseDecreaseInAccountsPayable_C9DF3ED8DA571D53FA436FA8E18A6776" xlink:type="arc" />
    <loc xlink:href="mjn-20140422.xsd#mjn_IncreaseDecreaseInAccruedlIabilitesRebatesAndReturns" xlink:label="loc_mjn_IncreaseDecreaseInAccruedlIabilitesRebatesAndReturns_F66F055E12B2F0B31C866FA8E18ABDDF" xlink:type="locator" />
    <definitionArc order="11" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_01DF37B9EB5FF79891FF6FA8E1899F32" xlink:to="loc_mjn_IncreaseDecreaseInAccruedlIabilitesRebatesAndReturns_F66F055E12B2F0B31C866FA8E18ABDDF" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_IncreaseDecreaseInAccruedIncomeTaxesPayable" xlink:label="loc_us-gaap_IncreaseDecreaseInAccruedIncomeTaxesPayable_5B6621C55EDC2D06A3E96FA8E18A58DF" xlink:type="locator" />
    <definitionArc order="12" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_01DF37B9EB5FF79891FF6FA8E1899F32" xlink:to="loc_us-gaap_IncreaseDecreaseInAccruedIncomeTaxesPayable_5B6621C55EDC2D06A3E96FA8E18A58DF" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet_BF9DAF437D2112C69A696FA8E18A6165" xlink:type="locator" />
    <definitionArc order="13" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_01DF37B9EB5FF79891FF6FA8E1899F32" xlink:to="loc_us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet_BF9DAF437D2112C69A696FA8E18A6165" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PensionAndOtherPostretirementBenefitContributions" xlink:label="loc_us-gaap_PensionAndOtherPostretirementBenefitContributions_0CF3462F7B0485C817156FA8E18A892D" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_F705004159A39FC572BC6FA8E189426B" xlink:to="loc_us-gaap_PensionAndOtherPostretirementBenefitContributions_0CF3462F7B0485C817156FA8E18A892D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_6C598AEAF76ABDD41CB46FA8E18A7F7A" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_F705004159A39FC572BC6FA8E189426B" xlink:to="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_6C598AEAF76ABDD41CB46FA8E18A7F7A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract_567BC690D96483295A526FA8E18A08E5" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_F705004159A39FC572BC6FA8E189426B" xlink:to="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract_567BC690D96483295A526FA8E18A08E5" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PaymentsToAcquireProductiveAssets" xlink:label="loc_us-gaap_PaymentsToAcquireProductiveAssets_97F21B71CF7C30BC19DE6FA8E18A2989" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract_567BC690D96483295A526FA8E18A08E5" xlink:to="loc_us-gaap_PaymentsToAcquireProductiveAssets_97F21B71CF7C30BC19DE6FA8E18A2989" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment" xlink:label="loc_us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment_8ABF8871E78315A049D26FA8E18A969F" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract_567BC690D96483295A526FA8E18A08E5" xlink:to="loc_us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment_8ABF8871E78315A049D26FA8E18A969F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ProceedsFromSaleOfIntangibleAssets" xlink:label="loc_us-gaap_ProceedsFromSaleOfIntangibleAssets_404E832AAB0B7C52D4606FA8E18BFD63" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract_567BC690D96483295A526FA8E18A08E5" xlink:to="loc_us-gaap_ProceedsFromSaleOfIntangibleAssets_404E832AAB0B7C52D4606FA8E18BFD63" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PaymentsToAcquireInterestInJointVenture" xlink:label="loc_us-gaap_PaymentsToAcquireInterestInJointVenture_AF26A050851057BEEE1D6FA8E18B4B64" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract_567BC690D96483295A526FA8E18A08E5" xlink:to="loc_us-gaap_PaymentsToAcquireInterestInJointVenture_AF26A050851057BEEE1D6FA8E18B4B64" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PaymentsToAcquireInterestInSubsidiariesAndAffiliates" xlink:label="loc_us-gaap_PaymentsToAcquireInterestInSubsidiariesAndAffiliates_EAAECC6846F191C94E736FA8E18B3576" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract_567BC690D96483295A526FA8E18A08E5" xlink:to="loc_us-gaap_PaymentsToAcquireInterestInSubsidiariesAndAffiliates_EAAECC6846F191C94E736FA8E18B3576" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations_335BC72C3192CFCC4C726FA8E18B390E" xlink:type="locator" />
    <definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract_567BC690D96483295A526FA8E18A08E5" xlink:to="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations_335BC72C3192CFCC4C726FA8E18B390E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract_CCA0EF341E758AA0C4946FA8E18B52C5" xlink:type="locator" />
    <definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_F705004159A39FC572BC6FA8E189426B" xlink:to="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract_CCA0EF341E758AA0C4946FA8E18B52C5" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ProceedsFromBankDebt" xlink:label="loc_us-gaap_ProceedsFromBankDebt_CF83619883FED04ED0936FA8E18B6BEB" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract_CCA0EF341E758AA0C4946FA8E18B52C5" xlink:to="loc_us-gaap_ProceedsFromBankDebt_CF83619883FED04ED0936FA8E18B6BEB" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_RepaymentsOfBankDebt" xlink:label="loc_us-gaap_RepaymentsOfBankDebt_58562510EFB6842640FF6FA8E18B9DD5" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract_CCA0EF341E758AA0C4946FA8E18B52C5" xlink:to="loc_us-gaap_RepaymentsOfBankDebt_58562510EFB6842640FF6FA8E18B9DD5" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_RepaymentsOfNotesPayable" xlink:label="loc_us-gaap_RepaymentsOfNotesPayable_CEAC86AECDA1B206B0896FA8E18BBDB0" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract_CCA0EF341E758AA0C4946FA8E18B52C5" xlink:to="loc_us-gaap_RepaymentsOfNotesPayable_CEAC86AECDA1B206B0896FA8E18BBDB0" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PaymentsOfDividends" xlink:label="loc_us-gaap_PaymentsOfDividends_5D9A0EB2DA1BFFDA17E76FA8E18B58CF" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract_CCA0EF341E758AA0C4946FA8E18B52C5" xlink:to="loc_us-gaap_PaymentsOfDividends_5D9A0EB2DA1BFFDA17E76FA8E18B58CF" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ProceedsAndExcessTaxBenefitFromSharebasedCompensation" xlink:label="loc_us-gaap_ProceedsAndExcessTaxBenefitFromSharebasedCompensation_01A5524ECF7AB7794A0C6FA8E18BD4BD" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract_CCA0EF341E758AA0C4946FA8E18B52C5" xlink:to="loc_us-gaap_ProceedsAndExcessTaxBenefitFromSharebasedCompensation_01A5524ECF7AB7794A0C6FA8E18BD4BD" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PaymentsForRepurchaseOfCommonStock" xlink:label="loc_us-gaap_PaymentsForRepurchaseOfCommonStock_8C06721119132745D2DB6FA8E18B75F7" xlink:type="locator" />
    <definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract_CCA0EF341E758AA0C4946FA8E18B52C5" xlink:to="loc_us-gaap_PaymentsForRepurchaseOfCommonStock_8C06721119132745D2DB6FA8E18B75F7" xlink:type="arc" />
    <loc xlink:href="mjn-20140422.xsd#mjn_ProceedsFromTerminationOfInterestRateSwaps" xlink:label="loc_mjn_ProceedsFromTerminationOfInterestRateSwaps_68B5E9001DD03E4A6A346FA8E18B3974" xlink:type="locator" />
    <definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract_CCA0EF341E758AA0C4946FA8E18B52C5" xlink:to="loc_mjn_ProceedsFromTerminationOfInterestRateSwaps_68B5E9001DD03E4A6A346FA8E18B3974" xlink:type="arc" />
    <loc xlink:href="mjn-20140422.xsd#mjn_NoncontrollingInterestDecreaseFromDistributionsToNoncontrollingInterestHoldersCashFlowImpact" xlink:label="loc_mjn_NoncontrollingInterestDecreaseFromDistributionsToNoncontrollingInterestHoldersCashFlowImpact_A24E832DC87B74088B946FA8E18C7900" xlink:type="locator" />
    <definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract_CCA0EF341E758AA0C4946FA8E18B52C5" xlink:to="loc_mjn_NoncontrollingInterestDecreaseFromDistributionsToNoncontrollingInterestHoldersCashFlowImpact_A24E832DC87B74088B946FA8E18C7900" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations_89FF26F6E98F7E0C89D46FA8E18CEB4F" xlink:type="locator" />
    <definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract_CCA0EF341E758AA0C4946FA8E18B52C5" xlink:to="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations_89FF26F6E98F7E0C89D46FA8E18CEB4F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_EffectOfExchangeRateOnCashAndCashEquivalentsContinuingOperations" xlink:label="loc_us-gaap_EffectOfExchangeRateOnCashAndCashEquivalentsContinuingOperations_84510A6D49E4A541D11D6FA8E18C4318" xlink:type="locator" />
    <definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_F705004159A39FC572BC6FA8E189426B" xlink:to="loc_us-gaap_EffectOfExchangeRateOnCashAndCashEquivalentsContinuingOperations_84510A6D49E4A541D11D6FA8E18C4318" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_NetCashProvidedByUsedInContinuingOperations" xlink:label="loc_us-gaap_NetCashProvidedByUsedInContinuingOperations_C7C1DAB5309BF3B00B776FA8E18C3320" xlink:type="locator" />
    <definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_F705004159A39FC572BC6FA8E189426B" xlink:to="loc_us-gaap_NetCashProvidedByUsedInContinuingOperations_C7C1DAB5309BF3B00B776FA8E18C3320" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValueAbstract" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValueAbstract_12F3D672BE61FFA510356FA8E18C4393" xlink:type="locator" />
    <definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_F705004159A39FC572BC6FA8E189426B" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValueAbstract_12F3D672BE61FFA510356FA8E18C4393" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_B4155CC7B6FEA69EC7206FA8E18CA915" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CashAndCashEquivalentsAtCarryingValueAbstract_12F3D672BE61FFA510356FA8E18C4393" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_B4155CC7B6FEA69EC7206FA8E18CA915" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_SupplementalCashFlowElementsAbstract" xlink:label="loc_us-gaap_SupplementalCashFlowElementsAbstract_87E6B003FE81D247E79C6FA8E18CA3E5" xlink:type="locator" />
    <definitionArc order="10" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_F705004159A39FC572BC6FA8E189426B" xlink:to="loc_us-gaap_SupplementalCashFlowElementsAbstract_87E6B003FE81D247E79C6FA8E18CA3E5" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.meadjohnson.com/role/ConsolidatedStatementsOfComprehensiveIncome" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_StatementLineItems" xlink:label="loc_us-gaap_StatementLineItems_B59688382F15B9BE81F966C2F9438DD3" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_StatementTable" xlink:label="loc_us-gaap_StatementTable_BA01CBB613EA9F58945E66C2F93D5071" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_StatementLineItems_B59688382F15B9BE81F966C2F9438DD3" xlink:to="loc_us-gaap_StatementTable_BA01CBB613EA9F58945E66C2F93D5071" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_StatementScenarioAxis" xlink:label="loc_us-gaap_StatementScenarioAxis_B7CD8426CF28B0C0659266C2F93D4A3A" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_BA01CBB613EA9F58945E66C2F93D5071" xlink:to="loc_us-gaap_StatementScenarioAxis_B7CD8426CF28B0C0659266C2F93D4A3A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ScenarioUnspecifiedDomain" xlink:label="loc_us-gaap_ScenarioUnspecifiedDomain_91B876F9B9B922D7078A66C2F9433E70_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementScenarioAxis_B7CD8426CF28B0C0659266C2F93D4A3A" xlink:to="loc_us-gaap_ScenarioUnspecifiedDomain_91B876F9B9B922D7078A66C2F9433E70_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ScenarioUnspecifiedDomain" xlink:label="loc_us-gaap_ScenarioUnspecifiedDomain_91B876F9B9B922D7078A66C2F9433E70" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementScenarioAxis_B7CD8426CF28B0C0659266C2F93D4A3A" xlink:to="loc_us-gaap_ScenarioUnspecifiedDomain_91B876F9B9B922D7078A66C2F9433E70" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ProfitLoss" xlink:label="loc_us-gaap_ProfitLoss_DEC7BBE46952989D0FCC66C2F943B3F9" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_B59688382F15B9BE81F966C2F9438DD3" xlink:to="loc_us-gaap_ProfitLoss_DEC7BBE46952989D0FCC66C2F943B3F9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract_67D59E890FCC220ACBE366C2F943BA80" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_B59688382F15B9BE81F966C2F9438DD3" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract_67D59E890FCC220ACBE366C2F943BA80" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPeriodIncreaseDecreaseAbstract" xlink:label="loc_us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPeriodIncreaseDecreaseAbstract_A22352C643524A911A6966C2F943704E" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract_67D59E890FCC220ACBE366C2F943BA80" xlink:to="loc_us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPeriodIncreaseDecreaseAbstract_A22352C643524A911A6966C2F943704E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax_20E796A1EB584C70F1B266C2F943FE80" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPeriodIncreaseDecreaseAbstract_A22352C643524A911A6966C2F943704E" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax_20E796A1EB584C70F1B266C2F943FE80" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax_2A3B62A1927E9F74FE0A66C2F9438348" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPeriodIncreaseDecreaseAbstract_A22352C643524A911A6966C2F943704E" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax_2A3B62A1927E9F74FE0A66C2F9438348" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPeriodIncreaseDecreaseAbstract" xlink:label="loc_us-gaap_OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPeriodIncreaseDecreaseAbstract_2BED7F64457BE458981D66C2F9436CDD" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract_67D59E890FCC220ACBE366C2F943BA80" xlink:to="loc_us-gaap_OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPeriodIncreaseDecreaseAbstract_2BED7F64457BE458981D66C2F9436CDD" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax_4851142E1D7172CCC1FF66C2F943275C" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPeriodIncreaseDecreaseAbstract_2BED7F64457BE458981D66C2F9436CDD" xlink:to="loc_us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax_4851142E1D7172CCC1FF66C2F943275C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesBeforeTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesBeforeTax_A86D35D2E88DDE82451D66C2F943AEF7" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPeriodIncreaseDecreaseAbstract_2BED7F64457BE458981D66C2F9436CDD" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesBeforeTax_A86D35D2E88DDE82451D66C2F943AEF7" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesTax_B661F86CC9D76974F1FA66C2F943EC38" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPeriodIncreaseDecreaseAbstract_2BED7F64457BE458981D66C2F9436CDD" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesTax_B661F86CC9D76974F1FA66C2F943EC38" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPeriodIncreaseDecreaseAbstract" xlink:label="loc_us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPeriodIncreaseDecreaseAbstract_60A0C64D1A4DCF11E69666C2F944CBCF" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract_67D59E890FCC220ACBE366C2F943BA80" xlink:to="loc_us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPeriodIncreaseDecreaseAbstract_60A0C64D1A4DCF11E69666C2F944CBCF" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeReclassificationAdjustmentsAndTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeReclassificationAdjustmentsAndTax_4BE15A364BF658C9C79E66C2F94468EC" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPeriodIncreaseDecreaseAbstract_60A0C64D1A4DCF11E69666C2F944CBCF" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeReclassificationAdjustmentsAndTax_4BE15A364BF658C9C79E66C2F94468EC" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax_900C5D523E4A1DF1408466C2F9441FF5" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPeriodIncreaseDecreaseAbstract_60A0C64D1A4DCF11E69666C2F944CBCF" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax_900C5D523E4A1DF1408466C2F9441FF5" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax_AC95EB45D8C6A835E1C666C2F9447462" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPeriodIncreaseDecreaseAbstract_60A0C64D1A4DCF11E69666C2F944CBCF" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax_AC95EB45D8C6A835E1C666C2F9447462" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_BA30E8446DD715719DCF66C2F94429EB" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_B59688382F15B9BE81F966C2F9438DD3" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_BA30E8446DD715719DCF66C2F94429EB" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_C0E8B998D2FC16E289DB66C2F944866B" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_B59688382F15B9BE81F966C2F9438DD3" xlink:to="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_C0E8B998D2FC16E289DB66C2F944866B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest_C7E29935C55170BCBD8D66C2F944AF3B" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_B59688382F15B9BE81F966C2F9438DD3" xlink:to="loc_us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest_C7E29935C55170BCBD8D66C2F944AF3B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTax" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTax_9302606F0A19E926FEAE66C2F9449332" xlink:type="locator" />
    <definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_B59688382F15B9BE81F966C2F9438DD3" xlink:to="loc_us-gaap_ComprehensiveIncomeNetOfTax_9302606F0A19E926FEAE66C2F9449332" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.meadjohnson.com/role/ConsolidatedStatementsOfEarnings" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_StatementLineItems" xlink:label="loc_us-gaap_StatementLineItems_ED9B6391DE0F6A36BFB53C8D0EC72942" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_StatementTable" xlink:label="loc_us-gaap_StatementTable_A1628DEB988D919EC44D3C8D0EC6D25B" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_StatementLineItems_ED9B6391DE0F6A36BFB53C8D0EC72942" xlink:to="loc_us-gaap_StatementTable_A1628DEB988D919EC44D3C8D0EC6D25B" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_StatementScenarioAxis" xlink:label="loc_us-gaap_StatementScenarioAxis_CEF60F0F0A10FBFB5F003C8D0EC7BF37" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_A1628DEB988D919EC44D3C8D0EC6D25B" xlink:to="loc_us-gaap_StatementScenarioAxis_CEF60F0F0A10FBFB5F003C8D0EC7BF37" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ScenarioUnspecifiedDomain" xlink:label="loc_us-gaap_ScenarioUnspecifiedDomain_9A0EC3E635BFCC68F6FB3C8D0EC7C5B0_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementScenarioAxis_CEF60F0F0A10FBFB5F003C8D0EC7BF37" xlink:to="loc_us-gaap_ScenarioUnspecifiedDomain_9A0EC3E635BFCC68F6FB3C8D0EC7C5B0_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ScenarioUnspecifiedDomain" xlink:label="loc_us-gaap_ScenarioUnspecifiedDomain_9A0EC3E635BFCC68F6FB3C8D0EC7C5B0" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementScenarioAxis_CEF60F0F0A10FBFB5F003C8D0EC7BF37" xlink:to="loc_us-gaap_ScenarioUnspecifiedDomain_9A0EC3E635BFCC68F6FB3C8D0EC7C5B0" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_SalesRevenueGoodsNet" xlink:label="loc_us-gaap_SalesRevenueGoodsNet_F116E04498242F8E12F13C8D0EC8CEB2" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_ED9B6391DE0F6A36BFB53C8D0EC72942" xlink:to="loc_us-gaap_SalesRevenueGoodsNet_F116E04498242F8E12F13C8D0EC8CEB2" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CostOfGoodsSold" xlink:label="loc_us-gaap_CostOfGoodsSold_C087CF95C05F76466AC53C8D0EC8F253" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_ED9B6391DE0F6A36BFB53C8D0EC72942" xlink:to="loc_us-gaap_CostOfGoodsSold_C087CF95C05F76466AC53C8D0EC8F253" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_GrossProfit" xlink:label="loc_us-gaap_GrossProfit_2C213D4028111B5D3F633C8D0EC99D2E" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_ED9B6391DE0F6A36BFB53C8D0EC72942" xlink:to="loc_us-gaap_GrossProfit_2C213D4028111B5D3F633C8D0EC99D2E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CostsAndExpensesAbstract" xlink:label="loc_us-gaap_CostsAndExpensesAbstract_A6667A52C01FF35892D33C8D0EC90B8F" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_ED9B6391DE0F6A36BFB53C8D0EC72942" xlink:to="loc_us-gaap_CostsAndExpensesAbstract_A6667A52C01FF35892D33C8D0EC90B8F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_SellingGeneralAndAdministrativeExpense" xlink:label="loc_us-gaap_SellingGeneralAndAdministrativeExpense_F50A8485161BF89BCAB23C8D0EC99C22" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CostsAndExpensesAbstract_A6667A52C01FF35892D33C8D0EC90B8F" xlink:to="loc_us-gaap_SellingGeneralAndAdministrativeExpense_F50A8485161BF89BCAB23C8D0EC99C22" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_MarketingAndAdvertisingExpense" xlink:label="loc_us-gaap_MarketingAndAdvertisingExpense_73059831C5D83560E0B73C8D0EC9C9F2" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CostsAndExpensesAbstract_A6667A52C01FF35892D33C8D0EC90B8F" xlink:to="loc_us-gaap_MarketingAndAdvertisingExpense_73059831C5D83560E0B73C8D0EC9C9F2" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ResearchAndDevelopmentExpense" xlink:label="loc_us-gaap_ResearchAndDevelopmentExpense_AA8D6FC8A6EA7BEEAE163C8D0EC914CE" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CostsAndExpensesAbstract_A6667A52C01FF35892D33C8D0EC90B8F" xlink:to="loc_us-gaap_ResearchAndDevelopmentExpense_AA8D6FC8A6EA7BEEAE163C8D0EC914CE" xlink:type="arc" />
    <loc xlink:href="mjn-20140422.xsd#mjn_OtherExpensesincomenet" xlink:label="loc_mjn_OtherExpensesincomenet_D3A8B13D1E029BB3A3513C8D0EC93ADF" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CostsAndExpensesAbstract_A6667A52C01FF35892D33C8D0EC90B8F" xlink:to="loc_mjn_OtherExpensesincomenet_D3A8B13D1E029BB3A3513C8D0EC93ADF" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeInterestExpenseInterestIncomeIncomeTaxesExtraordinaryItemsNoncontrollingInterestsNet" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeInterestExpenseInterestIncomeIncomeTaxesExtraordinaryItemsNoncontrollingInterestsNet_97000CCEAB8028260F6A3C8D0ECE661B" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_ED9B6391DE0F6A36BFB53C8D0EC72942" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeInterestExpenseInterestIncomeIncomeTaxesExtraordinaryItemsNoncontrollingInterestsNet_97000CCEAB8028260F6A3C8D0ECE661B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_InterestIncomeExpenseNonoperatingNet" xlink:label="loc_us-gaap_InterestIncomeExpenseNonoperatingNet_1496F53477A7E2211BF53C8D0ECEA3F7" xlink:type="locator" />
    <definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_ED9B6391DE0F6A36BFB53C8D0EC72942" xlink:to="loc_us-gaap_InterestIncomeExpenseNonoperatingNet_1496F53477A7E2211BF53C8D0ECEA3F7" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_BAA1B8000845E48D97E73C8D0ECEC120" xlink:type="locator" />
    <definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_ED9B6391DE0F6A36BFB53C8D0EC72942" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_BAA1B8000845E48D97E73C8D0ECEC120" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_IncomeTaxExpenseBenefit" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_8A65D44ED30BB7A558313C8D0ECFAC6D" xlink:type="locator" />
    <definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_ED9B6391DE0F6A36BFB53C8D0EC72942" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_8A65D44ED30BB7A558313C8D0ECFAC6D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ProfitLoss" xlink:label="loc_us-gaap_ProfitLoss_3639193B6FB26886A0A53C8D0ECFEADC" xlink:type="locator" />
    <definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_ED9B6391DE0F6A36BFB53C8D0EC72942" xlink:to="loc_us-gaap_ProfitLoss_3639193B6FB26886A0A53C8D0ECFEADC" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_NetIncomeLossAttributableToNoncontrollingInterest" xlink:label="loc_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_442A7ACD733F315FF14C3C8D0ECFA12C" xlink:type="locator" />
    <definitionArc order="10" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_ED9B6391DE0F6A36BFB53C8D0EC72942" xlink:to="loc_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_442A7ACD733F315FF14C3C8D0ECFA12C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="loc_us-gaap_NetIncomeLoss_F25DCDC8F59E180C99C53C8D0ECF1C81" xlink:type="locator" />
    <definitionArc order="11" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_ED9B6391DE0F6A36BFB53C8D0EC72942" xlink:to="loc_us-gaap_NetIncomeLoss_F25DCDC8F59E180C99C53C8D0ECF1C81" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_EarningsPerShareBasicAbstract" xlink:label="loc_us-gaap_EarningsPerShareBasicAbstract_BEEA441B3033F9B597543C8D0ECF9ECC" xlink:type="locator" />
    <definitionArc order="12" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_ED9B6391DE0F6A36BFB53C8D0EC72942" xlink:to="loc_us-gaap_EarningsPerShareBasicAbstract_BEEA441B3033F9B597543C8D0ECF9ECC" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_EarningsPerShareBasic" xlink:label="loc_us-gaap_EarningsPerShareBasic_121023FBACB14DC2FEDB3C8D0ECF5324" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EarningsPerShareBasicAbstract_BEEA441B3033F9B597543C8D0ECF9ECC" xlink:to="loc_us-gaap_EarningsPerShareBasic_121023FBACB14DC2FEDB3C8D0ECF5324" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_EarningsPerShareDilutedAbstract" xlink:label="loc_us-gaap_EarningsPerShareDilutedAbstract_CF061559449813482BAC3C8D0ECF5D49" xlink:type="locator" />
    <definitionArc order="13" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_ED9B6391DE0F6A36BFB53C8D0EC72942" xlink:to="loc_us-gaap_EarningsPerShareDilutedAbstract_CF061559449813482BAC3C8D0ECF5D49" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_EarningsPerShareDiluted" xlink:label="loc_us-gaap_EarningsPerShareDiluted_D0585757B271DE9C9BC53C8D0ED0FEF5" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EarningsPerShareDilutedAbstract_CF061559449813482BAC3C8D0ECF5D49" xlink:to="loc_us-gaap_EarningsPerShareDiluted_D0585757B271DE9C9BC53C8D0ED0FEF5" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasicAbstract" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasicAbstract_9732479E1100FF31B7ED3C8D0ED0E275" xlink:type="locator" />
    <definitionArc order="14" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_ED9B6391DE0F6A36BFB53C8D0EC72942" xlink:to="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasicAbstract_9732479E1100FF31B7ED3C8D0ED0E275" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_C070595BA750AADE3E363C8D0ED04D89" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasicAbstract_9732479E1100FF31B7ED3C8D0ED0E275" xlink:to="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_C070595BA750AADE3E363C8D0ED04D89" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xlink:label="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_74D6CAD4F9AC148E1F9E3C8D0ED0398A" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasicAbstract_9732479E1100FF31B7ED3C8D0ED0E275" xlink:to="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_74D6CAD4F9AC148E1F9E3C8D0ED0398A" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.meadjohnson.com/role/ConsolidatedStatementsOfEquityAndRedeemableNoncontrollingInterestConsolidatedStatementsOfEquityAndRedeemableNoncontrollingInterestParenthetical" xlink:type="extended" />
  <definitionLink xlink:role="http://www.meadjohnson.com/role/ConsolidatedStatementsOfEquityDeficitAndRedeemableNoncontrollingInterest" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_StatementLineItems" xlink:label="loc_us-gaap_StatementLineItems_695B3A0DDCE8645ED54A90A9258A039F" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_StatementTable" xlink:label="loc_us-gaap_StatementTable_58050D48864740C3FE8D90A925873F68" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_StatementLineItems_695B3A0DDCE8645ED54A90A9258A039F" xlink:to="loc_us-gaap_StatementTable_58050D48864740C3FE8D90A925873F68" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_StatementEquityComponentsAxis" xlink:label="loc_us-gaap_StatementEquityComponentsAxis_4DF74B6970385A8F409290A92587937B" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_58050D48864740C3FE8D90A925873F68" xlink:to="loc_us-gaap_StatementEquityComponentsAxis_4DF74B6970385A8F409290A92587937B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_EquityComponentDomain" xlink:label="loc_us-gaap_EquityComponentDomain_F4E9F646BCDAE6BDE48690A925878E91_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_4DF74B6970385A8F409290A92587937B" xlink:to="loc_us-gaap_EquityComponentDomain_F4E9F646BCDAE6BDE48690A925878E91_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_EquityComponentDomain" xlink:label="loc_us-gaap_EquityComponentDomain_F4E9F646BCDAE6BDE48690A925878E91" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_4DF74B6970385A8F409290A92587937B" xlink:to="loc_us-gaap_EquityComponentDomain_F4E9F646BCDAE6BDE48690A925878E91" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CommonStockMember" xlink:label="loc_us-gaap_CommonStockMember_CF5ADA599210A86B881690A925889FB7" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_F4E9F646BCDAE6BDE48690A925878E91" xlink:to="loc_us-gaap_CommonStockMember_CF5ADA599210A86B881690A925889FB7" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AdditionalPaidInCapitalMember" xlink:label="loc_us-gaap_AdditionalPaidInCapitalMember_424C2CD5FB72ED301CEE90A925887BC4" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_F4E9F646BCDAE6BDE48690A925878E91" xlink:to="loc_us-gaap_AdditionalPaidInCapitalMember_424C2CD5FB72ED301CEE90A925887BC4" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_RetainedEarningsMember" xlink:label="loc_us-gaap_RetainedEarningsMember_282094E8B067790E6BB190A925888188" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_F4E9F646BCDAE6BDE48690A925878E91" xlink:to="loc_us-gaap_RetainedEarningsMember_282094E8B067790E6BB190A925888188" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_TreasuryStockMember" xlink:label="loc_us-gaap_TreasuryStockMember_AD04E14D548F4CA1670090A92588C91E" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_F4E9F646BCDAE6BDE48690A925878E91" xlink:to="loc_us-gaap_TreasuryStockMember_AD04E14D548F4CA1670090A92588C91E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeMember" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_6A22845A52038660A2C290A92589D87A" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_F4E9F646BCDAE6BDE48690A925878E91" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_6A22845A52038660A2C290A92589D87A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_NoncontrollingInterestMember" xlink:label="loc_us-gaap_NoncontrollingInterestMember_4E22A3C76D08D8D8FFA890A925890C7A" xlink:type="locator" />
    <definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_F4E9F646BCDAE6BDE48690A925878E91" xlink:to="loc_us-gaap_NoncontrollingInterestMember_4E22A3C76D08D8D8FFA890A925890C7A" xlink:type="arc" />
    <loc xlink:href="mjn-20140422.xsd#mjn_TemporaryEquityAxis" xlink:label="loc_mjn_TemporaryEquityAxis_1F6814CC5E669ABEF35890A92589F1DD" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_58050D48864740C3FE8D90A925873F68" xlink:to="loc_mjn_TemporaryEquityAxis_1F6814CC5E669ABEF35890A92589F1DD" xlink:type="arc" />
    <loc xlink:href="mjn-20140422.xsd#mjn_TemporaryEquityDomain" xlink:label="loc_mjn_TemporaryEquityDomain_67235E12B82DD707A24B90A92589EF56_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_mjn_TemporaryEquityAxis_1F6814CC5E669ABEF35890A92589F1DD" xlink:to="loc_mjn_TemporaryEquityDomain_67235E12B82DD707A24B90A92589EF56_default" xlink:type="arc" />
    <loc xlink:href="mjn-20140422.xsd#mjn_TemporaryEquityDomain" xlink:label="loc_mjn_TemporaryEquityDomain_67235E12B82DD707A24B90A92589EF56" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_mjn_TemporaryEquityAxis_1F6814CC5E669ABEF35890A92589F1DD" xlink:to="loc_mjn_TemporaryEquityDomain_67235E12B82DD707A24B90A92589EF56" xlink:type="arc" />
    <loc xlink:href="mjn-20140422.xsd#mjn_RedeemableNoncontrollingInterestsMember" xlink:label="loc_mjn_RedeemableNoncontrollingInterestsMember_A0570F5F9E522DC2490390A9258A438E" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_mjn_TemporaryEquityDomain_67235E12B82DD707A24B90A92589EF56" xlink:to="loc_mjn_RedeemableNoncontrollingInterestsMember_A0570F5F9E522DC2490390A9258A438E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_IncreaseDecreaseInStockholdersEquityRollForward" xlink:label="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_0A2C5296ACF80BD6A6F290A9258AC83F" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_695B3A0DDCE8645ED54A90A9258A039F" xlink:to="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_0A2C5296ACF80BD6A6F290A9258AC83F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_2C66DF876B08D13C438990A9258A4E10" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_0A2C5296ACF80BD6A6F290A9258AC83F" xlink:to="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_2C66DF876B08D13C438990A9258A4E10" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_StockGrantedDuringPeriodValueSharebasedCompensation" xlink:label="loc_us-gaap_StockGrantedDuringPeriodValueSharebasedCompensation_22E47B35362F3EF0595F90A9258A8072" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_0A2C5296ACF80BD6A6F290A9258AC83F" xlink:to="loc_us-gaap_StockGrantedDuringPeriodValueSharebasedCompensation_22E47B35362F3EF0595F90A9258A8072" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_TreasuryStockValueAcquiredCostMethod" xlink:label="loc_us-gaap_TreasuryStockValueAcquiredCostMethod_096F612612C8F21267BA90A9258BD9FC" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_0A2C5296ACF80BD6A6F290A9258AC83F" xlink:to="loc_us-gaap_TreasuryStockValueAcquiredCostMethod_096F612612C8F21267BA90A9258BD9FC" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders" xlink:label="loc_us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders_20D0ECB7622E3861842590A9258BC06A" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_0A2C5296ACF80BD6A6F290A9258AC83F" xlink:to="loc_us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders_20D0ECB7622E3861842590A9258BC06A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DividendsCommonStock" xlink:label="loc_us-gaap_DividendsCommonStock_4DFA29491527803D204F90A9258B8DF6" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_0A2C5296ACF80BD6A6F290A9258AC83F" xlink:to="loc_us-gaap_DividendsCommonStock_4DFA29491527803D204F90A9258B8DF6" xlink:type="arc" />
    <loc xlink:href="mjn-20140422.xsd#mjn_NetIncomeLossExcludingNetEarningsLossAssociatedWithRedeemableNoncontrollingInterests" xlink:label="loc_mjn_NetIncomeLossExcludingNetEarningsLossAssociatedWithRedeemableNoncontrollingInterests_FB11C401C2B33FBC97CC90A9258B1289" xlink:type="locator" />
    <definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_0A2C5296ACF80BD6A6F290A9258AC83F" xlink:to="loc_mjn_NetIncomeLossExcludingNetEarningsLossAssociatedWithRedeemableNoncontrollingInterests_FB11C401C2B33FBC97CC90A9258B1289" xlink:type="arc" />
    <loc xlink:href="mjn-20140422.xsd#mjn_EquityImpactOfRedeemableNoncontrollingInterestAccretion" xlink:label="loc_mjn_EquityImpactOfRedeemableNoncontrollingInterestAccretion_04202CFFD1DE3499887E90A9258B9310" xlink:type="locator" />
    <definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_0A2C5296ACF80BD6A6F290A9258AC83F" xlink:to="loc_mjn_EquityImpactOfRedeemableNoncontrollingInterestAccretion_04202CFFD1DE3499887E90A9258B9310" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_172B8023ABD1441AC8DD90A9258B60E3" xlink:type="locator" />
    <definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_0A2C5296ACF80BD6A6F290A9258AC83F" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_172B8023ABD1441AC8DD90A9258B60E3" xlink:type="arc" />
    <loc xlink:href="mjn-20140422.xsd#mjn_OthercomprehensiveincomelossnetoftaxexclRNCI" xlink:label="loc_mjn_OthercomprehensiveincomelossnetoftaxexclRNCI_193DC1927122DEDF578090A9258B7FC9" xlink:type="locator" />
    <definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_0A2C5296ACF80BD6A6F290A9258AC83F" xlink:to="loc_mjn_OthercomprehensiveincomelossnetoftaxexclRNCI_193DC1927122DEDF578090A9258B7FC9" xlink:type="arc" />
    <loc xlink:href="mjn-20140422.xsd#mjn_OtherComprehensiveIncomeLossOther" xlink:label="loc_mjn_OtherComprehensiveIncomeLossOther_A73220B1B8E808F34B3B90A9258CFD99" xlink:type="locator" />
    <definitionArc order="10" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_0A2C5296ACF80BD6A6F290A9258AC83F" xlink:to="loc_mjn_OtherComprehensiveIncomeLossOther_A73220B1B8E808F34B3B90A9258CFD99" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_IncreaseDecreaseInTemporaryEquityRollForward" xlink:label="loc_us-gaap_IncreaseDecreaseInTemporaryEquityRollForward_74792ED8D4EB7ECF1AA290A9258CF7C6" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_695B3A0DDCE8645ED54A90A9258A039F" xlink:to="loc_us-gaap_IncreaseDecreaseInTemporaryEquityRollForward_74792ED8D4EB7ECF1AA290A9258CF7C6" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_RedeemableNoncontrollingInterestEquityCarryingAmount" xlink:label="loc_us-gaap_RedeemableNoncontrollingInterestEquityCarryingAmount_EF332D8F3E02DF3E7EE790A9258D65A2" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInTemporaryEquityRollForward_74792ED8D4EB7ECF1AA290A9258CF7C6" xlink:to="loc_us-gaap_RedeemableNoncontrollingInterestEquityCarryingAmount_EF332D8F3E02DF3E7EE790A9258D65A2" xlink:type="arc" />
    <loc xlink:href="mjn-20140422.xsd#mjn_RedeemableNoncontrollingInterestIncreaseFromBusinessCombination" xlink:label="loc_mjn_RedeemableNoncontrollingInterestIncreaseFromBusinessCombination_02C6192D651B75140F8F90A9258D656F" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInTemporaryEquityRollForward_74792ED8D4EB7ECF1AA290A9258CF7C6" xlink:to="loc_mjn_RedeemableNoncontrollingInterestIncreaseFromBusinessCombination_02C6192D651B75140F8F90A9258D656F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_TemporaryEquityNetIncome" xlink:label="loc_us-gaap_TemporaryEquityNetIncome_DE746856192F349C5A8690A9258D95C4" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInTemporaryEquityRollForward_74792ED8D4EB7ECF1AA290A9258CF7C6" xlink:to="loc_us-gaap_TemporaryEquityNetIncome_DE746856192F349C5A8690A9258D95C4" xlink:type="arc" />
    <loc xlink:href="mjn-20140422.xsd#mjn_RedeemableNoncontrollingInterestAccretion" xlink:label="loc_mjn_RedeemableNoncontrollingInterestAccretion_DA013732413FE02DE9F090A9258DB71B" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInTemporaryEquityRollForward_74792ED8D4EB7ECF1AA290A9258CF7C6" xlink:to="loc_mjn_RedeemableNoncontrollingInterestAccretion_DA013732413FE02DE9F090A9258DB71B" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.meadjohnson.com/role/Contingencies" xlink:type="extended" />
  <definitionLink xlink:role="http://www.meadjohnson.com/role/ContingenciesDetails" xlink:type="extended" />
  <definitionLink xlink:role="http://www.meadjohnson.com/role/Debt" xlink:type="extended" />
  <definitionLink xlink:role="http://www.meadjohnson.com/role/DebtDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LineOfCreditFacilityLineItems" xlink:label="loc_us-gaap_LineOfCreditFacilityLineItems_ED5D4B70B4144CC228526FA8E15962EA" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LineOfCreditFacilityTable" xlink:label="loc_us-gaap_LineOfCreditFacilityTable_E06C94531F8CA92237356FA8E158FE3E" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_ED5D4B70B4144CC228526FA8E15962EA" xlink:to="loc_us-gaap_LineOfCreditFacilityTable_E06C94531F8CA92237356FA8E158FE3E" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_RangeAxis" xlink:label="loc_us-gaap_RangeAxis_D0889F8E12068469C3EA6FA8E158B535" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_LineOfCreditFacilityTable_E06C94531F8CA92237356FA8E158FE3E" xlink:to="loc_us-gaap_RangeAxis_D0889F8E12068469C3EA6FA8E158B535" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_RangeMember" xlink:label="loc_us-gaap_RangeMember_0DD9E7EB6BFFBDF626696FA8E158CAF8_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RangeAxis_D0889F8E12068469C3EA6FA8E158B535" xlink:to="loc_us-gaap_RangeMember_0DD9E7EB6BFFBDF626696FA8E158CAF8_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_RangeMember" xlink:label="loc_us-gaap_RangeMember_0DD9E7EB6BFFBDF626696FA8E158CAF8" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RangeAxis_D0889F8E12068469C3EA6FA8E158B535" xlink:to="loc_us-gaap_RangeMember_0DD9E7EB6BFFBDF626696FA8E158CAF8" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_MinimumMember" xlink:label="loc_us-gaap_MinimumMember_A35FF559A921FF314E7F6FA8E159F2F8" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RangeMember_0DD9E7EB6BFFBDF626696FA8E158CAF8" xlink:to="loc_us-gaap_MinimumMember_A35FF559A921FF314E7F6FA8E159F2F8" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_MaximumMember" xlink:label="loc_us-gaap_MaximumMember_4C326113E4E9B08E8EEC6FA8E159D7DF" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RangeMember_0DD9E7EB6BFFBDF626696FA8E158CAF8" xlink:to="loc_us-gaap_MaximumMember_4C326113E4E9B08E8EEC6FA8E159D7DF" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_BusinessAcquisitionAxis" xlink:label="loc_us-gaap_BusinessAcquisitionAxis_A84FF967B52D62A517426FA8E159C8F2" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_LineOfCreditFacilityTable_E06C94531F8CA92237356FA8E158FE3E" xlink:to="loc_us-gaap_BusinessAcquisitionAxis_A84FF967B52D62A517426FA8E159C8F2" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_24A8E5E1B40C2E4DE9546FA8E1593536_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_A84FF967B52D62A517426FA8E159C8F2" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_24A8E5E1B40C2E4DE9546FA8E1593536_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_24A8E5E1B40C2E4DE9546FA8E1593536" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_A84FF967B52D62A517426FA8E159C8F2" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_24A8E5E1B40C2E4DE9546FA8E1593536" xlink:type="arc" />
    <loc xlink:href="mjn-20140422.xsd#mjn_NutricionParaElConosurSaMember" xlink:label="loc_mjn_NutricionParaElConosurSaMember_0CB94DE7F903C6583D986FA8E159B27C" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_24A8E5E1B40C2E4DE9546FA8E1593536" xlink:to="loc_mjn_NutricionParaElConosurSaMember_0CB94DE7F903C6583D986FA8E159B27C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShortTermBorrowings" xlink:label="loc_us-gaap_ShortTermBorrowings_B99E8C113A55439DE9B36FA8E1599AFB" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_ED5D4B70B4144CC228526FA8E15962EA" xlink:to="loc_us-gaap_ShortTermBorrowings_B99E8C113A55439DE9B36FA8E1599AFB" xlink:type="arc" />
    <loc xlink:href="mjn-20140422.xsd#mjn_Shorttermborrowingsinterestrateatendofperiod" xlink:label="loc_mjn_Shorttermborrowingsinterestrateatendofperiod_77C5194920DD39B6767D6FA8E1590377" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_ED5D4B70B4144CC228526FA8E15962EA" xlink:to="loc_mjn_Shorttermborrowingsinterestrateatendofperiod_77C5194920DD39B6767D6FA8E1590377" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LineOfCreditFacilityDescription" xlink:label="loc_us-gaap_LineOfCreditFacilityDescription_EB1A0E36A1126888063A6FA8E1598218" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_ED5D4B70B4144CC228526FA8E15962EA" xlink:to="loc_us-gaap_LineOfCreditFacilityDescription_EB1A0E36A1126888063A6FA8E1598218" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LineOfCreditFacilityExpirationDate1" xlink:label="loc_us-gaap_LineOfCreditFacilityExpirationDate1_AE81CE2BD17912D8B8C46FA8E1596DB4" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_ED5D4B70B4144CC228526FA8E15962EA" xlink:to="loc_us-gaap_LineOfCreditFacilityExpirationDate1_AE81CE2BD17912D8B8C46FA8E1596DB4" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity" xlink:label="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_8589216D31B351513AEA6FA8E1596D37" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_ED5D4B70B4144CC228526FA8E15962EA" xlink:to="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_8589216D31B351513AEA6FA8E1596D37" xlink:type="arc" />
    <loc xlink:href="mjn-20140422.xsd#mjn_LineOfCreditFacilityMaximumBorrowingCapacityWithRequestAndConsent" xlink:label="loc_mjn_LineOfCreditFacilityMaximumBorrowingCapacityWithRequestAndConsent_FB7DDD481DA65811CC6D6FA8E1598AAA" xlink:type="locator" />
    <definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_ED5D4B70B4144CC228526FA8E15962EA" xlink:to="loc_mjn_LineOfCreditFacilityMaximumBorrowingCapacityWithRequestAndConsent_FB7DDD481DA65811CC6D6FA8E1598AAA" xlink:type="arc" />
    <loc xlink:href="mjn-20140422.xsd#mjn_LineOfCreditFacilityCovenantDebtToEbidtaNumerator" xlink:label="loc_mjn_LineOfCreditFacilityCovenantDebtToEbidtaNumerator_BCA7B14AF4A5AB1E090E6FA8E1596AFE" xlink:type="locator" />
    <definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_ED5D4B70B4144CC228526FA8E15962EA" xlink:to="loc_mjn_LineOfCreditFacilityCovenantDebtToEbidtaNumerator_BCA7B14AF4A5AB1E090E6FA8E1596AFE" xlink:type="arc" />
    <loc xlink:href="mjn-20140422.xsd#mjn_LineOfCreditFacilityCovenantDebtToEbidtaDenominator" xlink:label="loc_mjn_LineOfCreditFacilityCovenantDebtToEbidtaDenominator_9E563AD19CB8DC8539DB6FA8E1591E24" xlink:type="locator" />
    <definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_ED5D4B70B4144CC228526FA8E15962EA" xlink:to="loc_mjn_LineOfCreditFacilityCovenantDebtToEbidtaDenominator_9E563AD19CB8DC8539DB6FA8E1591E24" xlink:type="arc" />
    <loc xlink:href="mjn-20140422.xsd#mjn_LineOfCreditFacilityCovenantEbidtaToInterestExpenseNumerator" xlink:label="loc_mjn_LineOfCreditFacilityCovenantEbidtaToInterestExpenseNumerator_65B246515C14BFA841F76FA8E1590EA9" xlink:type="locator" />
    <definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_ED5D4B70B4144CC228526FA8E15962EA" xlink:to="loc_mjn_LineOfCreditFacilityCovenantEbidtaToInterestExpenseNumerator_65B246515C14BFA841F76FA8E1590EA9" xlink:type="arc" />
    <loc xlink:href="mjn-20140422.xsd#mjn_LineOfCreditFacilityCovenantEbidtaToInterestExpenseDenominator" xlink:label="loc_mjn_LineOfCreditFacilityCovenantEbidtaToInterestExpenseDenominator_32C7D254195E677421C26FA8E15AD30A" xlink:type="locator" />
    <definitionArc order="10" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_ED5D4B70B4144CC228526FA8E15962EA" xlink:to="loc_mjn_LineOfCreditFacilityCovenantEbidtaToInterestExpenseDenominator_32C7D254195E677421C26FA8E15AD30A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DebtInstrumentDescriptionOfVariableRateBasis" xlink:label="loc_us-gaap_DebtInstrumentDescriptionOfVariableRateBasis_6DC50A406BC7C802C4B56FA8E15A8A9E" xlink:type="locator" />
    <definitionArc order="11" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_ED5D4B70B4144CC228526FA8E15962EA" xlink:to="loc_us-gaap_DebtInstrumentDescriptionOfVariableRateBasis_6DC50A406BC7C802C4B56FA8E15A8A9E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DebtInstrumentBasisSpreadOnVariableRate1" xlink:label="loc_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_649A190B6CB0E28CB0886FA8E15A0AA1" xlink:type="locator" />
    <definitionArc order="12" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_ED5D4B70B4144CC228526FA8E15962EA" xlink:to="loc_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_649A190B6CB0E28CB0886FA8E15A0AA1" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LineOfCreditFacilityCommitmentFeePercentage" xlink:label="loc_us-gaap_LineOfCreditFacilityCommitmentFeePercentage_D1E180D8E49D87C6705C6FA8E15ADC28" xlink:type="locator" />
    <definitionArc order="13" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_ED5D4B70B4144CC228526FA8E15962EA" xlink:to="loc_us-gaap_LineOfCreditFacilityCommitmentFeePercentage_D1E180D8E49D87C6705C6FA8E15ADC28" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LineOfCreditFacilityInterestRateDuringPeriod" xlink:label="loc_us-gaap_LineOfCreditFacilityInterestRateDuringPeriod_8AA0BFC83DE033719F236FA8E15A7B37" xlink:type="locator" />
    <definitionArc order="14" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_ED5D4B70B4144CC228526FA8E15962EA" xlink:to="loc_us-gaap_LineOfCreditFacilityInterestRateDuringPeriod_8AA0BFC83DE033719F236FA8E15A7B37" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_BusinessAcquisitionPercentageOfVotingInterestsAcquired" xlink:label="loc_us-gaap_BusinessAcquisitionPercentageOfVotingInterestsAcquired_75C87460554DD68AB9FD6FA8E15AA01D" xlink:type="locator" />
    <definitionArc order="15" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_ED5D4B70B4144CC228526FA8E15962EA" xlink:to="loc_us-gaap_BusinessAcquisitionPercentageOfVotingInterestsAcquired_75C87460554DD68AB9FD6FA8E15AA01D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_BusinessCombinationConsiderationTransferred1" xlink:label="loc_us-gaap_BusinessCombinationConsiderationTransferred1_DFA74BC74F519F2ABDDD6FA8E15ADBE3" xlink:type="locator" />
    <definitionArc order="16" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_ED5D4B70B4144CC228526FA8E15962EA" xlink:to="loc_us-gaap_BusinessCombinationConsiderationTransferred1_DFA74BC74F519F2ABDDD6FA8E15ADBE3" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_NotesPayable" xlink:label="loc_us-gaap_NotesPayable_995ACB1057027B2F7EA96FA8E15A84DC" xlink:type="locator" />
    <definitionArc order="17" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_ED5D4B70B4144CC228526FA8E15962EA" xlink:to="loc_us-gaap_NotesPayable_995ACB1057027B2F7EA96FA8E15A84DC" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.meadjohnson.com/role/DebtDetails2" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DebtInstrumentLineItems" xlink:label="loc_us-gaap_DebtInstrumentLineItems_9584290190F1BB0701FC6FA8E1E92897" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DebtInstrumentTable" xlink:label="loc_us-gaap_DebtInstrumentTable_A34EF09A9EAEEB437DD66FA8E1E97EB1" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DebtInstrumentLineItems_9584290190F1BB0701FC6FA8E1E92897" xlink:to="loc_us-gaap_DebtInstrumentTable_A34EF09A9EAEEB437DD66FA8E1E97EB1" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LongtermDebtTypeAxis" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_C92BC62A9B2694AA95F56FA8E1E9010F" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_A34EF09A9EAEEB437DD66FA8E1E97EB1" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_C92BC62A9B2694AA95F56FA8E1E9010F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_79CF8832967F5B2C287C6FA8E1E9F39C_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_C92BC62A9B2694AA95F56FA8E1E9010F" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_79CF8832967F5B2C287C6FA8E1E9F39C_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_79CF8832967F5B2C287C6FA8E1E9F39C" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_C92BC62A9B2694AA95F56FA8E1E9010F" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_79CF8832967F5B2C287C6FA8E1E9F39C" xlink:type="arc" />
    <loc xlink:href="mjn-20140422.xsd#mjn_Notes350PercentDue2014Member" xlink:label="loc_mjn_Notes350PercentDue2014Member_CCA106D2D3E02A1D50486FA8E1E9561F" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_79CF8832967F5B2C287C6FA8E1E9F39C" xlink:to="loc_mjn_Notes350PercentDue2014Member_CCA106D2D3E02A1D50486FA8E1E9561F" xlink:type="arc" />
    <loc xlink:href="mjn-20140422.xsd#mjn_Notes490PercentDue2019Member" xlink:label="loc_mjn_Notes490PercentDue2019Member_07A29FB83780B2694D076FA8E1E91465" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_79CF8832967F5B2C287C6FA8E1E9F39C" xlink:to="loc_mjn_Notes490PercentDue2019Member_07A29FB83780B2694D076FA8E1E91465" xlink:type="arc" />
    <loc xlink:href="mjn-20140422.xsd#mjn_Notes590PercentDue2039Member" xlink:label="loc_mjn_Notes590PercentDue2039Member_AB6212C21878F53DB4D46FA8E1E9D764" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_79CF8832967F5B2C287C6FA8E1E9F39C" xlink:to="loc_mjn_Notes590PercentDue2039Member_AB6212C21878F53DB4D46FA8E1E9D764" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DebtInstrumentFaceAmount" xlink:label="loc_us-gaap_DebtInstrumentFaceAmount_916940326A9C57CD4B566FA8E1E93EA9" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_9584290190F1BB0701FC6FA8E1E92897" xlink:to="loc_us-gaap_DebtInstrumentFaceAmount_916940326A9C57CD4B566FA8E1E93EA9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DeferredGainLossOnDiscontinuationOfInterestRateFairValueHedge" xlink:label="loc_us-gaap_DeferredGainLossOnDiscontinuationOfInterestRateFairValueHedge_B936D6D06EDD490161496FA8E1E9326C" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_9584290190F1BB0701FC6FA8E1E92897" xlink:to="loc_us-gaap_DeferredGainLossOnDiscontinuationOfInterestRateFairValueHedge_B936D6D06EDD490161496FA8E1E9326C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DebtInstrumentUnamortizedDiscount" xlink:label="loc_us-gaap_DebtInstrumentUnamortizedDiscount_466A212509C8B91840516FA8E1E9621E" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_9584290190F1BB0701FC6FA8E1E92897" xlink:to="loc_us-gaap_DebtInstrumentUnamortizedDiscount_466A212509C8B91840516FA8E1E9621E" xlink:type="arc" />
    <loc xlink:href="mjn-20140422.xsd#mjn_LongtermDebtCurrentPortion" xlink:label="loc_mjn_LongtermDebtCurrentPortion_1280BD9249C084B5A7F16FA8E1EA7E88" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_9584290190F1BB0701FC6FA8E1E92897" xlink:to="loc_mjn_LongtermDebtCurrentPortion_1280BD9249C084B5A7F16FA8E1EA7E88" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LongTermDebtNoncurrent" xlink:label="loc_us-gaap_LongTermDebtNoncurrent_2E54B7D37310E7D2F6D16FA8E1EA9C77" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_9584290190F1BB0701FC6FA8E1E92897" xlink:to="loc_us-gaap_LongTermDebtNoncurrent_2E54B7D37310E7D2F6D16FA8E1EA9C77" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LongTermDebtFairValue" xlink:label="loc_us-gaap_LongTermDebtFairValue_F785F42FBBDE4917FA756FA8E1EA7808" xlink:type="locator" />
    <definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_9584290190F1BB0701FC6FA8E1E92897" xlink:to="loc_us-gaap_LongTermDebtFairValue_F785F42FBBDE4917FA756FA8E1EA7808" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_InterestExpense" xlink:label="loc_us-gaap_InterestExpense_9C436B1DE08C251DCE1F6FA8E1EA878C" xlink:type="locator" />
    <definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_9584290190F1BB0701FC6FA8E1E92897" xlink:to="loc_us-gaap_InterestExpense_9C436B1DE08C251DCE1F6FA8E1EA878C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_InvestmentIncomeInterest" xlink:label="loc_us-gaap_InvestmentIncomeInterest_E44C430F49308C05E6A46FA8E1EA7CF0" xlink:type="locator" />
    <definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_9584290190F1BB0701FC6FA8E1E92897" xlink:to="loc_us-gaap_InvestmentIncomeInterest_E44C430F49308C05E6A46FA8E1EA7CF0" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_InterestIncomeExpenseNonoperatingNet" xlink:label="loc_us-gaap_InterestIncomeExpenseNonoperatingNet_8FC51399690252CCF7C66FA8E1EAA7EC" xlink:type="locator" />
    <definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_9584290190F1BB0701FC6FA8E1E92897" xlink:to="loc_us-gaap_InterestIncomeExpenseNonoperatingNet_8FC51399690252CCF7C66FA8E1EAA7EC" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_InterestPaid" xlink:label="loc_us-gaap_InterestPaid_311EAD135706735D990F6FA8E1EAA1F0" xlink:type="locator" />
    <definitionArc order="10" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_9584290190F1BB0701FC6FA8E1E92897" xlink:to="loc_us-gaap_InterestPaid_311EAD135706735D990F6FA8E1EAA1F0" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DebtInstrumentInterestRateStatedPercentage" xlink:label="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_2BCC8147C0E5AF21E49F6FA8E1EABF68" xlink:type="locator" />
    <definitionArc order="11" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_9584290190F1BB0701FC6FA8E1E92897" xlink:to="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_2BCC8147C0E5AF21E49F6FA8E1EABF68" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.meadjohnson.com/role/DebtTables" xlink:type="extended" />
  <definitionLink xlink:role="http://www.meadjohnson.com/role/DerivativesAndOtherFinancialInstruments" xlink:type="extended" />
  <definitionLink xlink:role="http://www.meadjohnson.com/role/DerivativesAndOtherFinancialInstrumentsDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DerivativesFairValueLineItems" xlink:label="loc_us-gaap_DerivativesFairValueLineItems_9777C1867622530A70076FA8E203F14B" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DerivativeTable" xlink:label="loc_us-gaap_DerivativeTable_5C141F60DC42D8B675346FA8E2000211" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_9777C1867622530A70076FA8E203F14B" xlink:to="loc_us-gaap_DerivativeTable_5C141F60DC42D8B675346FA8E2000211" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_RangeAxis" xlink:label="loc_us-gaap_RangeAxis_D3B39F637747F9F118326FA8E201A8DA" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeTable_5C141F60DC42D8B675346FA8E2000211" xlink:to="loc_us-gaap_RangeAxis_D3B39F637747F9F118326FA8E201A8DA" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_RangeMember" xlink:label="loc_us-gaap_RangeMember_CAFA70C9D344F8ADEAF76FA8E2015858_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RangeAxis_D3B39F637747F9F118326FA8E201A8DA" xlink:to="loc_us-gaap_RangeMember_CAFA70C9D344F8ADEAF76FA8E2015858_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_RangeMember" xlink:label="loc_us-gaap_RangeMember_CAFA70C9D344F8ADEAF76FA8E2015858" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RangeAxis_D3B39F637747F9F118326FA8E201A8DA" xlink:to="loc_us-gaap_RangeMember_CAFA70C9D344F8ADEAF76FA8E2015858" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_MinimumMember" xlink:label="loc_us-gaap_MinimumMember_BEF47CD1C2FCEDC49D526FA8E2017289" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RangeMember_CAFA70C9D344F8ADEAF76FA8E2015858" xlink:to="loc_us-gaap_MinimumMember_BEF47CD1C2FCEDC49D526FA8E2017289" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_MaximumMember" xlink:label="loc_us-gaap_MaximumMember_76B3228F5B0EBA21E5E66FA8E201C241" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RangeMember_CAFA70C9D344F8ADEAF76FA8E2015858" xlink:to="loc_us-gaap_MaximumMember_76B3228F5B0EBA21E5E66FA8E201C241" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_HedgingDesignationAxis" xlink:label="loc_us-gaap_HedgingDesignationAxis_77AA71C2D69474ADAA7E6FA8E2013BB5" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeTable_5C141F60DC42D8B675346FA8E2000211" xlink:to="loc_us-gaap_HedgingDesignationAxis_77AA71C2D69474ADAA7E6FA8E2013BB5" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_HedgingDesignationDomain" xlink:label="loc_us-gaap_HedgingDesignationDomain_29DB8E9320A007085C406FA8E201F42A_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_HedgingDesignationAxis_77AA71C2D69474ADAA7E6FA8E2013BB5" xlink:to="loc_us-gaap_HedgingDesignationDomain_29DB8E9320A007085C406FA8E201F42A_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_HedgingDesignationDomain" xlink:label="loc_us-gaap_HedgingDesignationDomain_29DB8E9320A007085C406FA8E201F42A" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_HedgingDesignationAxis_77AA71C2D69474ADAA7E6FA8E2013BB5" xlink:to="loc_us-gaap_HedgingDesignationDomain_29DB8E9320A007085C406FA8E201F42A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DesignatedAsHedgingInstrumentMember" xlink:label="loc_us-gaap_DesignatedAsHedgingInstrumentMember_7EDAB619CA695E11A4916FA8E20179C5" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_HedgingDesignationDomain_29DB8E9320A007085C406FA8E201F42A" xlink:to="loc_us-gaap_DesignatedAsHedgingInstrumentMember_7EDAB619CA695E11A4916FA8E20179C5" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis" xlink:label="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_3CB06591E1981F0878266FA8E2011903" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeTable_5C141F60DC42D8B675346FA8E2000211" xlink:to="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_3CB06591E1981F0878266FA8E2011903" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_HedgingRelationshipDomain" xlink:label="loc_us-gaap_HedgingRelationshipDomain_C1475537D6B524FF00966FA8E2013ADA_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_3CB06591E1981F0878266FA8E2011903" xlink:to="loc_us-gaap_HedgingRelationshipDomain_C1475537D6B524FF00966FA8E2013ADA_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_HedgingRelationshipDomain" xlink:label="loc_us-gaap_HedgingRelationshipDomain_C1475537D6B524FF00966FA8E2013ADA" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_3CB06591E1981F0878266FA8E2011903" xlink:to="loc_us-gaap_HedgingRelationshipDomain_C1475537D6B524FF00966FA8E2013ADA" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CashFlowHedgingMember" xlink:label="loc_us-gaap_CashFlowHedgingMember_B4F1C509BFC5AE5D11CB6FA8E201D156" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_HedgingRelationshipDomain_C1475537D6B524FF00966FA8E2013ADA" xlink:to="loc_us-gaap_CashFlowHedgingMember_B4F1C509BFC5AE5D11CB6FA8E201D156" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_InterestRateSwapMember" xlink:label="loc_us-gaap_InterestRateSwapMember_BE8F2BB08C5918B167376FA8E2011C21" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_HedgingRelationshipDomain_C1475537D6B524FF00966FA8E2013ADA" xlink:to="loc_us-gaap_InterestRateSwapMember_BE8F2BB08C5918B167376FA8E2011C21" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DerivativeInstrumentRiskAxis" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis_EB27980799A21C1081916FA8E2019643" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeTable_5C141F60DC42D8B675346FA8E2000211" xlink:to="loc_us-gaap_DerivativeInstrumentRiskAxis_EB27980799A21C1081916FA8E2019643" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DerivativeContractTypeDomain" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_12D8A8340A374458F2876FA8E202E8A0_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_EB27980799A21C1081916FA8E2019643" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_12D8A8340A374458F2876FA8E202E8A0_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DerivativeContractTypeDomain" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_12D8A8340A374458F2876FA8E202E8A0" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_EB27980799A21C1081916FA8E2019643" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_12D8A8340A374458F2876FA8E202E8A0" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CommodityOptionMember" xlink:label="loc_us-gaap_CommodityOptionMember_D0E735C9EBC9850A25196FA8E20250B1" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_12D8A8340A374458F2876FA8E202E8A0" xlink:to="loc_us-gaap_CommodityOptionMember_D0E735C9EBC9850A25196FA8E20250B1" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ForeignExchangeContractMember" xlink:label="loc_us-gaap_ForeignExchangeContractMember_C8AB82FE737695D415056FA8E2020D81" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_12D8A8340A374458F2876FA8E202E8A0" xlink:to="loc_us-gaap_ForeignExchangeContractMember_C8AB82FE737695D415056FA8E2020D81" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/currency/2012/currency-2012-01-31.xsd#currency_MXN" xlink:label="loc_currency_MXN_C434D00B1FEDA08BEE056FA8E202552E" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ForeignExchangeContractMember_C8AB82FE737695D415056FA8E2020D81" xlink:to="loc_currency_MXN_C434D00B1FEDA08BEE056FA8E202552E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/currency/2012/currency-2012-01-31.xsd#currency_MYR" xlink:label="loc_currency_MYR_A6B35975E5878D30CCB36FA8E20260E5" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ForeignExchangeContractMember_C8AB82FE737695D415056FA8E2020D81" xlink:to="loc_currency_MYR_A6B35975E5878D30CCB36FA8E20260E5" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/currency/2012/currency-2012-01-31.xsd#currency_PHP" xlink:label="loc_currency_PHP_2BAA091591CCC046C8FC6FA8E202D84B" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ForeignExchangeContractMember_C8AB82FE737695D415056FA8E2020D81" xlink:to="loc_currency_PHP_2BAA091591CCC046C8FC6FA8E202D84B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ForeignExchangeForwardMember" xlink:label="loc_us-gaap_ForeignExchangeForwardMember_A7F94D695B007E0B7A9C6FA8E2024E01" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_12D8A8340A374458F2876FA8E202E8A0" xlink:to="loc_us-gaap_ForeignExchangeForwardMember_A7F94D695B007E0B7A9C6FA8E2024E01" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_InterestRateSwapMember" xlink:label="loc_us-gaap_InterestRateSwapMember_828A76715DA3D89129A46FA8E202CA19" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_12D8A8340A374458F2876FA8E202E8A0" xlink:to="loc_us-gaap_InterestRateSwapMember_828A76715DA3D89129A46FA8E202CA19" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_BalanceSheetLocationAxis" xlink:label="loc_us-gaap_BalanceSheetLocationAxis_C22C2C0D3B700741F74A6FA8E202DCF5" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeTable_5C141F60DC42D8B675346FA8E2000211" xlink:to="loc_us-gaap_BalanceSheetLocationAxis_C22C2C0D3B700741F74A6FA8E202DCF5" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_BalanceSheetLocationDomain" xlink:label="loc_us-gaap_BalanceSheetLocationDomain_08FECCAA8E2859CE53946FA8E202ABD9_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_BalanceSheetLocationAxis_C22C2C0D3B700741F74A6FA8E202DCF5" xlink:to="loc_us-gaap_BalanceSheetLocationDomain_08FECCAA8E2859CE53946FA8E202ABD9_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_BalanceSheetLocationDomain" xlink:label="loc_us-gaap_BalanceSheetLocationDomain_08FECCAA8E2859CE53946FA8E202ABD9" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_BalanceSheetLocationAxis_C22C2C0D3B700741F74A6FA8E202DCF5" xlink:to="loc_us-gaap_BalanceSheetLocationDomain_08FECCAA8E2859CE53946FA8E202ABD9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OtherAssetsMember" xlink:label="loc_us-gaap_OtherAssetsMember_2B7C6E3D2400FB99AB286FA8E202D399" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BalanceSheetLocationDomain_08FECCAA8E2859CE53946FA8E202ABD9" xlink:to="loc_us-gaap_OtherAssetsMember_2B7C6E3D2400FB99AB286FA8E202D399" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AccruedLiabilitiesMember" xlink:label="loc_us-gaap_AccruedLiabilitiesMember_CDD6DFE9DE506D912A0D6FA8E202506D" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BalanceSheetLocationDomain_08FECCAA8E2859CE53946FA8E202ABD9" xlink:to="loc_us-gaap_AccruedLiabilitiesMember_CDD6DFE9DE506D912A0D6FA8E202506D" xlink:type="arc" />
    <loc xlink:href="mjn-20140422.xsd#mjn_Notransfersbetweenlevelsinfairvaluehierarchy" xlink:label="loc_mjn_Notransfersbetweenlevelsinfairvaluehierarchy_F503601E77DCA628EDB56FA8E2039023" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_9777C1867622530A70076FA8E203F14B" xlink:to="loc_mjn_Notransfersbetweenlevelsinfairvaluehierarchy_F503601E77DCA628EDB56FA8E2039023" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DerivativeNonmonetaryNotionalAmountMass" xlink:label="loc_us-gaap_DerivativeNonmonetaryNotionalAmountMass_6C734DE0C04E5176A1DF6FA8E203931F" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_9777C1867622530A70076FA8E203F14B" xlink:to="loc_us-gaap_DerivativeNonmonetaryNotionalAmountMass_6C734DE0C04E5176A1DF6FA8E203931F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DerivativeAmountOfHedgedItem" xlink:label="loc_us-gaap_DerivativeAmountOfHedgedItem_DCA9934A9D2F4D06FC796FA8E20336FE" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_9777C1867622530A70076FA8E203F14B" xlink:to="loc_us-gaap_DerivativeAmountOfHedgedItem_DCA9934A9D2F4D06FC796FA8E20336FE" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DerivativeFairValueOfDerivativeLiability" xlink:label="loc_us-gaap_DerivativeFairValueOfDerivativeLiability_A9B52CD6DAEB9E74D8EC6FA8E203A623" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_9777C1867622530A70076FA8E203F14B" xlink:to="loc_us-gaap_DerivativeFairValueOfDerivativeLiability_A9B52CD6DAEB9E74D8EC6FA8E203A623" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DerivativeFairValueOfDerivativeNet" xlink:label="loc_us-gaap_DerivativeFairValueOfDerivativeNet_8A510E1DD605A10D532D6FA8E2038FC5" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_9777C1867622530A70076FA8E203F14B" xlink:to="loc_us-gaap_DerivativeFairValueOfDerivativeNet_8A510E1DD605A10D532D6FA8E2038FC5" xlink:type="arc" />
    <loc xlink:href="mjn-20140422.xsd#mjn_MaximumPeriodForDiscontinuationOfForeignCurrencyCashFlowHedgeDueToForecastedTransactionIsProbableOfNotOccurring" xlink:label="loc_mjn_MaximumPeriodForDiscontinuationOfForeignCurrencyCashFlowHedgeDueToForecastedTransactionIsProbableOfNotOccurring_B29D0AD0570F7679CD506FA8E2036FF7" xlink:type="locator" />
    <definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_9777C1867622530A70076FA8E203F14B" xlink:to="loc_mjn_MaximumPeriodForDiscontinuationOfForeignCurrencyCashFlowHedgeDueToForecastedTransactionIsProbableOfNotOccurring_B29D0AD0570F7679CD506FA8E2036FF7" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_MaximumLengthOfTimeForeignCurrencyCashFlowHedge" xlink:label="loc_us-gaap_MaximumLengthOfTimeForeignCurrencyCashFlowHedge_39FF4B163E64617EEDFF6FA8E203E8D2" xlink:type="locator" />
    <definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_9777C1867622530A70076FA8E203F14B" xlink:to="loc_us-gaap_MaximumLengthOfTimeForeignCurrencyCashFlowHedge_39FF4B163E64617EEDFF6FA8E203E8D2" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DerivativeAverageForwardExchangeRate1" xlink:label="loc_us-gaap_DerivativeAverageForwardExchangeRate1_933BE3E54A701DA0B13C6FA8E203BBF7" xlink:type="locator" />
    <definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_9777C1867622530A70076FA8E203F14B" xlink:to="loc_us-gaap_DerivativeAverageForwardExchangeRate1_933BE3E54A701DA0B13C6FA8E203BBF7" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/invest/2013/invest-2013-01-31.xsd#invest_DerivativeNotionalAmount" xlink:label="loc_invest_DerivativeNotionalAmount_76724879F65D22A0529E6FA8E203435C" xlink:type="locator" />
    <definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_9777C1867622530A70076FA8E203F14B" xlink:to="loc_invest_DerivativeNotionalAmount_76724879F65D22A0529E6FA8E203435C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DerivativeFairValueOfDerivativeAsset" xlink:label="loc_us-gaap_DerivativeFairValueOfDerivativeAsset_75DE93609DC1DE36737C6FA8E203E68D" xlink:type="locator" />
    <definitionArc order="10" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_9777C1867622530A70076FA8E203F14B" xlink:to="loc_us-gaap_DerivativeFairValueOfDerivativeAsset_75DE93609DC1DE36737C6FA8E203E68D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DerivativeMaturityDates" xlink:label="loc_us-gaap_DerivativeMaturityDates_E787228ECFC09C32F3BB6FA8E203F726" xlink:type="locator" />
    <definitionArc order="11" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_9777C1867622530A70076FA8E203F14B" xlink:to="loc_us-gaap_DerivativeMaturityDates_E787228ECFC09C32F3BB6FA8E203F726" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DerivativeForwardInterestRate" xlink:label="loc_us-gaap_DerivativeForwardInterestRate_146637889B3F5843C4EE6FA8E203E998" xlink:type="locator" />
    <definitionArc order="12" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_9777C1867622530A70076FA8E203F14B" xlink:to="loc_us-gaap_DerivativeForwardInterestRate_146637889B3F5843C4EE6FA8E203E998" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.meadjohnson.com/role/DerivativesAndOtherFinancialInstrumentsDetails2" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DerivativeLineItems" xlink:label="loc_us-gaap_DerivativeLineItems_822F94C2B261A515749E6FA8E12B870F" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DerivativeTable" xlink:label="loc_us-gaap_DerivativeTable_F55C8316E0EF5EB1BE4F6FA8E12BBE1B" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DerivativeLineItems_822F94C2B261A515749E6FA8E12B870F" xlink:to="loc_us-gaap_DerivativeTable_F55C8316E0EF5EB1BE4F6FA8E12BBE1B" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DerivativeInstrumentRiskAxis" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis_133CCF1EB09AF786D59B6FA8E12BECBA" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeTable_F55C8316E0EF5EB1BE4F6FA8E12BBE1B" xlink:to="loc_us-gaap_DerivativeInstrumentRiskAxis_133CCF1EB09AF786D59B6FA8E12BECBA" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DerivativeContractTypeDomain" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_BFEC709343D848A17B806FA8E12B80E0_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_133CCF1EB09AF786D59B6FA8E12BECBA" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_BFEC709343D848A17B806FA8E12B80E0_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DerivativeContractTypeDomain" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_BFEC709343D848A17B806FA8E12B80E0" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_133CCF1EB09AF786D59B6FA8E12BECBA" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_BFEC709343D848A17B806FA8E12B80E0" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ForeignExchangeContractMember" xlink:label="loc_us-gaap_ForeignExchangeContractMember_CC673A6248D1E61CD4486FA8E12BA82E" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_BFEC709343D848A17B806FA8E12B80E0" xlink:to="loc_us-gaap_ForeignExchangeContractMember_CC673A6248D1E61CD4486FA8E12BA82E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_InterestRateSwapMember" xlink:label="loc_us-gaap_InterestRateSwapMember_B3B621F3E45E04D37F216FA8E12BAF1F" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_BFEC709343D848A17B806FA8E12B80E0" xlink:to="loc_us-gaap_InterestRateSwapMember_B3B621F3E45E04D37F216FA8E12BAF1F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CommodityOptionMember" xlink:label="loc_us-gaap_CommodityOptionMember_280BE3E132DE5DE3D1666FA8E12B36A5" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_BFEC709343D848A17B806FA8E12B80E0" xlink:to="loc_us-gaap_CommodityOptionMember_280BE3E132DE5DE3D1666FA8E12B36A5" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax_8AE1B37343809C5D18006FA8E12B6DAB" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLineItems_822F94C2B261A515749E6FA8E12B870F" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax_8AE1B37343809C5D18006FA8E12B6DAB" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax_E28BFFBCFD32A7D4DC2B6FA8E12BC2B6" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLineItems_822F94C2B261A515749E6FA8E12B870F" xlink:to="loc_us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax_E28BFFBCFD32A7D4DC2B6FA8E12BC2B6" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesBeforeTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesBeforeTax_B4F9023A5332F4DB7EE76FA8E12B6E8B" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLineItems_822F94C2B261A515749E6FA8E12B870F" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesBeforeTax_B4F9023A5332F4DB7EE76FA8E12B6E8B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax_A923C6D58898D40151A76FA8E12B9397" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLineItems_822F94C2B261A515749E6FA8E12B870F" xlink:to="loc_us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax_A923C6D58898D40151A76FA8E12B9397" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.meadjohnson.com/role/DerivativesAndOtherFinancialInstrumentsDetails3" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DerivativeLineItems" xlink:label="loc_us-gaap_DerivativeLineItems_E83DE3BC16A9E9B463F86FA8E0BECCCF" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DerivativeTable" xlink:label="loc_us-gaap_DerivativeTable_FB0AB66E6B53BA04ABD86FA8E0BD877B" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DerivativeLineItems_E83DE3BC16A9E9B463F86FA8E0BECCCF" xlink:to="loc_us-gaap_DerivativeTable_FB0AB66E6B53BA04ABD86FA8E0BD877B" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis" xlink:label="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_8B902996EA865867C9C46FA8E0BDB02A" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeTable_FB0AB66E6B53BA04ABD86FA8E0BD877B" xlink:to="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_8B902996EA865867C9C46FA8E0BDB02A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_HedgingRelationshipDomain" xlink:label="loc_us-gaap_HedgingRelationshipDomain_43DBDAFECC96EA0EF6B76FA8E0BD5C21_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_8B902996EA865867C9C46FA8E0BDB02A" xlink:to="loc_us-gaap_HedgingRelationshipDomain_43DBDAFECC96EA0EF6B76FA8E0BD5C21_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_HedgingRelationshipDomain" xlink:label="loc_us-gaap_HedgingRelationshipDomain_43DBDAFECC96EA0EF6B76FA8E0BD5C21" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_8B902996EA865867C9C46FA8E0BDB02A" xlink:to="loc_us-gaap_HedgingRelationshipDomain_43DBDAFECC96EA0EF6B76FA8E0BD5C21" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_FairValueHedgingMember" xlink:label="loc_us-gaap_FairValueHedgingMember_B395D6D960342DCCC36E6FA8E0BD3CE1" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_HedgingRelationshipDomain_43DBDAFECC96EA0EF6B76FA8E0BD5C21" xlink:to="loc_us-gaap_FairValueHedgingMember_B395D6D960342DCCC36E6FA8E0BD3CE1" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DerivativeInstrumentRiskAxis" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis_DC64358DFB900EBFC3CB6FA8E0BEE7F9" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeTable_FB0AB66E6B53BA04ABD86FA8E0BD877B" xlink:to="loc_us-gaap_DerivativeInstrumentRiskAxis_DC64358DFB900EBFC3CB6FA8E0BEE7F9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DerivativeContractTypeDomain" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_1798BB40DA55942C69F96FA8E0BE7D69_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_DC64358DFB900EBFC3CB6FA8E0BEE7F9" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_1798BB40DA55942C69F96FA8E0BE7D69_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DerivativeContractTypeDomain" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_1798BB40DA55942C69F96FA8E0BE7D69" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_DC64358DFB900EBFC3CB6FA8E0BEE7F9" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_1798BB40DA55942C69F96FA8E0BE7D69" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_InterestRateSwapMember" xlink:label="loc_us-gaap_InterestRateSwapMember_197BC9848DE25B2BAE7E6FA8E0BE24C0" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_1798BB40DA55942C69F96FA8E0BE7D69" xlink:to="loc_us-gaap_InterestRateSwapMember_197BC9848DE25B2BAE7E6FA8E0BE24C0" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_HedgingDesignationAxis" xlink:label="loc_us-gaap_HedgingDesignationAxis_EEBB2AF4E82147D41A716FA8E0BEBC2F" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeTable_FB0AB66E6B53BA04ABD86FA8E0BD877B" xlink:to="loc_us-gaap_HedgingDesignationAxis_EEBB2AF4E82147D41A716FA8E0BEBC2F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_HedgingDesignationDomain" xlink:label="loc_us-gaap_HedgingDesignationDomain_C9BC7EF8F35CFC268A1A6FA8E0BE4A8C_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_HedgingDesignationAxis_EEBB2AF4E82147D41A716FA8E0BEBC2F" xlink:to="loc_us-gaap_HedgingDesignationDomain_C9BC7EF8F35CFC268A1A6FA8E0BE4A8C_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_HedgingDesignationDomain" xlink:label="loc_us-gaap_HedgingDesignationDomain_C9BC7EF8F35CFC268A1A6FA8E0BE4A8C" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_HedgingDesignationAxis_EEBB2AF4E82147D41A716FA8E0BEBC2F" xlink:to="loc_us-gaap_HedgingDesignationDomain_C9BC7EF8F35CFC268A1A6FA8E0BE4A8C" xlink:type="arc" />
    <loc xlink:href="mjn-20140422.xsd#mjn_TerminatedContractMember" xlink:label="loc_mjn_TerminatedContractMember_18CB6A1D100ACE8928406FA8E0BEDE8C" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_HedgingDesignationDomain_C9BC7EF8F35CFC268A1A6FA8E0BE4A8C" xlink:to="loc_mjn_TerminatedContractMember_18CB6A1D100ACE8928406FA8E0BEDE8C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DerivativeAmountOfHedgedItem" xlink:label="loc_us-gaap_DerivativeAmountOfHedgedItem_DF7E27C7890FD4314E696FA8E0BE35E0" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLineItems_E83DE3BC16A9E9B463F86FA8E0BECCCF" xlink:to="loc_us-gaap_DerivativeAmountOfHedgedItem_DF7E27C7890FD4314E696FA8E0BE35E0" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/invest/2013/invest-2013-01-31.xsd#invest_DerivativeNotionalAmount" xlink:label="loc_invest_DerivativeNotionalAmount_2E6BBF226F67CA2276986FA8E0BE325D" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLineItems_E83DE3BC16A9E9B463F86FA8E0BECCCF" xlink:to="loc_invest_DerivativeNotionalAmount_2E6BBF226F67CA2276986FA8E0BE325D" xlink:type="arc" />
    <loc xlink:href="mjn-20140422.xsd#mjn_ProceedsFromTerminationOfHedge" xlink:label="loc_mjn_ProceedsFromTerminationOfHedge_F9F35F5D0C19983676126FA8E0BE0436" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLineItems_E83DE3BC16A9E9B463F86FA8E0BECCCF" xlink:to="loc_mjn_ProceedsFromTerminationOfHedge_F9F35F5D0C19983676126FA8E0BE0436" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ChangeInUnrealizedGainLossOnFairValueHedgingInstruments1" xlink:label="loc_us-gaap_ChangeInUnrealizedGainLossOnFairValueHedgingInstruments1_82DEBFCDAB98D2C133446FA8E0BE10BA" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLineItems_E83DE3BC16A9E9B463F86FA8E0BECCCF" xlink:to="loc_us-gaap_ChangeInUnrealizedGainLossOnFairValueHedgingInstruments1_82DEBFCDAB98D2C133446FA8E0BE10BA" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ChangeInUnrealizedGainLossOnHedgedItemInFairValueHedge1" xlink:label="loc_us-gaap_ChangeInUnrealizedGainLossOnHedgedItemInFairValueHedge1_A163E8F3F614E3E0AB8A6FA8E0BF7897" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLineItems_E83DE3BC16A9E9B463F86FA8E0BECCCF" xlink:to="loc_us-gaap_ChangeInUnrealizedGainLossOnHedgedItemInFairValueHedge1_A163E8F3F614E3E0AB8A6FA8E0BF7897" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DerivativeGainOnDerivative" xlink:label="loc_us-gaap_DerivativeGainOnDerivative_107A03EA09EFAD6375AD6FA8E0BFA1F2" xlink:type="locator" />
    <definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLineItems_E83DE3BC16A9E9B463F86FA8E0BECCCF" xlink:to="loc_us-gaap_DerivativeGainOnDerivative_107A03EA09EFAD6375AD6FA8E0BFA1F2" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AmortizationOfDeferredHedgeGains" xlink:label="loc_us-gaap_AmortizationOfDeferredHedgeGains_1B38B8CAE843B61A5EE06FA8E0BFB04F" xlink:type="locator" />
    <definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLineItems_E83DE3BC16A9E9B463F86FA8E0BECCCF" xlink:to="loc_us-gaap_AmortizationOfDeferredHedgeGains_1B38B8CAE843B61A5EE06FA8E0BFB04F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DerivativeGainLossOnDerivativeNet" xlink:label="loc_us-gaap_DerivativeGainLossOnDerivativeNet_841678A5ADDDDF0CD08E6FA8E0BFAB8B" xlink:type="locator" />
    <definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLineItems_E83DE3BC16A9E9B463F86FA8E0BECCCF" xlink:to="loc_us-gaap_DerivativeGainLossOnDerivativeNet_841678A5ADDDDF0CD08E6FA8E0BFAB8B" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.meadjohnson.com/role/DerivativesAndOtherFinancialInstrumentsTables" xlink:type="extended" />
  <definitionLink xlink:role="http://www.meadjohnson.com/role/DocumentAndEntityInformation" xlink:type="extended">
    <loc xlink:href="http://xbrl.sec.gov/dei/2013/dei-2013-01-31.xsd#dei_EntityInformationLineItems" xlink:label="loc_dei_EntityInformationLineItems_D6706D7DE0D8A4601A05904A33F71E69" xlink:type="locator" />
    <loc xlink:href="http://xbrl.sec.gov/dei/2013/dei-2013-01-31.xsd#dei_EntitiesTable" xlink:label="loc_dei_EntitiesTable_D8B671661972180FB7BF904A33F79972" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_dei_EntityInformationLineItems_D6706D7DE0D8A4601A05904A33F71E69" xlink:to="loc_dei_EntitiesTable_D8B671661972180FB7BF904A33F79972" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.sec.gov/dei/2013/dei-2013-01-31.xsd#dei_LegalEntityAxis" xlink:label="loc_dei_LegalEntityAxis_F8E6280BBBB90FC5D1AC904A33F73BD2" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_dei_EntitiesTable_D8B671661972180FB7BF904A33F79972" xlink:to="loc_dei_LegalEntityAxis_F8E6280BBBB90FC5D1AC904A33F73BD2" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/dei/2013/dei-2013-01-31.xsd#dei_EntityDomain" xlink:label="loc_dei_EntityDomain_1F589313310914E64F0C904A33F7FA5F_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_dei_LegalEntityAxis_F8E6280BBBB90FC5D1AC904A33F73BD2" xlink:to="loc_dei_EntityDomain_1F589313310914E64F0C904A33F7FA5F_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/dei/2013/dei-2013-01-31.xsd#dei_EntityDomain" xlink:label="loc_dei_EntityDomain_1F589313310914E64F0C904A33F7FA5F" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_dei_LegalEntityAxis_F8E6280BBBB90FC5D1AC904A33F73BD2" xlink:to="loc_dei_EntityDomain_1F589313310914E64F0C904A33F7FA5F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/dei/2013/dei-2013-01-31.xsd#dei_EntityRegistrantName" xlink:label="loc_dei_EntityRegistrantName_631B75025BB412E7CA34904A33F7C9F4" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_D6706D7DE0D8A4601A05904A33F71E69" xlink:to="loc_dei_EntityRegistrantName_631B75025BB412E7CA34904A33F7C9F4" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/dei/2013/dei-2013-01-31.xsd#dei_EntityCentralIndexKey" xlink:label="loc_dei_EntityCentralIndexKey_830CD7CAB0B1040D5DDD904A33F8202C" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_D6706D7DE0D8A4601A05904A33F71E69" xlink:to="loc_dei_EntityCentralIndexKey_830CD7CAB0B1040D5DDD904A33F8202C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/dei/2013/dei-2013-01-31.xsd#dei_DocumentType" xlink:label="loc_dei_DocumentType_B9A7EFF56582FD1771CA904A33F801CA" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_D6706D7DE0D8A4601A05904A33F71E69" xlink:to="loc_dei_DocumentType_B9A7EFF56582FD1771CA904A33F801CA" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/dei/2013/dei-2013-01-31.xsd#dei_DocumentPeriodEndDate" xlink:label="loc_dei_DocumentPeriodEndDate_CE841EF0D2E614F1BB2D904A33F8FDBA" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_D6706D7DE0D8A4601A05904A33F71E69" xlink:to="loc_dei_DocumentPeriodEndDate_CE841EF0D2E614F1BB2D904A33F8FDBA" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/dei/2013/dei-2013-01-31.xsd#dei_AmendmentFlag" xlink:label="loc_dei_AmendmentFlag_871E8232FED8233ED9EE904A33F8CA82" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_D6706D7DE0D8A4601A05904A33F71E69" xlink:to="loc_dei_AmendmentFlag_871E8232FED8233ED9EE904A33F8CA82" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.meadjohnson.com/role/EarningsPerShare" xlink:type="extended" />
  <definitionLink xlink:role="http://www.meadjohnson.com/role/EarningsPerShareDetails" xlink:type="extended" />
  <definitionLink xlink:role="http://www.meadjohnson.com/role/EarningsPerShareTables" xlink:type="extended" />
  <definitionLink xlink:role="http://www.meadjohnson.com/role/EmployeeStockBenefitPlans" xlink:type="extended" />
  <definitionLink xlink:role="http://www.meadjohnson.com/role/EmployeeStockBenefitPlansDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_FEE96D04561974B380E96FA8E16FB5B5" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_22DAA2F47794A1F3AD9F6FA8E16EF489" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_FEE96D04561974B380E96FA8E16FB5B5" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_22DAA2F47794A1F3AD9F6FA8E16EF489" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AwardTypeAxis" xlink:label="loc_us-gaap_AwardTypeAxis_5E1AA94C8F964A1A4E246FA8E16E5C97" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_22DAA2F47794A1F3AD9F6FA8E16EF489" xlink:to="loc_us-gaap_AwardTypeAxis_5E1AA94C8F964A1A4E246FA8E16E5C97" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_917770377BA5EB1837156FA8E16E4CC5_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AwardTypeAxis_5E1AA94C8F964A1A4E246FA8E16E5C97" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_917770377BA5EB1837156FA8E16E4CC5_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_917770377BA5EB1837156FA8E16E4CC5" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AwardTypeAxis_5E1AA94C8F964A1A4E246FA8E16E5C97" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_917770377BA5EB1837156FA8E16E4CC5" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_EmployeeStockOptionMember" xlink:label="loc_us-gaap_EmployeeStockOptionMember_E7AA189A7F7FB2154D836FA8E16F6C0F" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_917770377BA5EB1837156FA8E16E4CC5" xlink:to="loc_us-gaap_EmployeeStockOptionMember_E7AA189A7F7FB2154D836FA8E16F6C0F" xlink:type="arc" />
    <loc xlink:href="mjn-20140422.xsd#mjn_PerformanceShareAwardsMember" xlink:label="loc_mjn_PerformanceShareAwardsMember_BDD54EFB54BD02552CE06FA8E16F827B" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_917770377BA5EB1837156FA8E16E4CC5" xlink:to="loc_mjn_PerformanceShareAwardsMember_BDD54EFB54BD02552CE06FA8E16F827B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_RestrictedStockUnitsRSUMember" xlink:label="loc_us-gaap_RestrictedStockUnitsRSUMember_7CB3B881861706E8946C6FA8E16F38ED" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_917770377BA5EB1837156FA8E16E4CC5" xlink:to="loc_us-gaap_RestrictedStockUnitsRSUMember_7CB3B881861706E8946C6FA8E16F38ED" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_RangeAxis" xlink:label="loc_us-gaap_RangeAxis_7F69886A3018EC403BE76FA8E16F4BD9" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_22DAA2F47794A1F3AD9F6FA8E16EF489" xlink:to="loc_us-gaap_RangeAxis_7F69886A3018EC403BE76FA8E16F4BD9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_RangeMember" xlink:label="loc_us-gaap_RangeMember_ADE295B0E7F00AC584866FA8E16F083C_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RangeAxis_7F69886A3018EC403BE76FA8E16F4BD9" xlink:to="loc_us-gaap_RangeMember_ADE295B0E7F00AC584866FA8E16F083C_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_RangeMember" xlink:label="loc_us-gaap_RangeMember_ADE295B0E7F00AC584866FA8E16F083C" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RangeAxis_7F69886A3018EC403BE76FA8E16F4BD9" xlink:to="loc_us-gaap_RangeMember_ADE295B0E7F00AC584866FA8E16F083C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_MaximumMember" xlink:label="loc_us-gaap_MaximumMember_2607EF7C217397CACA7F6FA8E16F1FBC" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RangeMember_ADE295B0E7F00AC584866FA8E16F083C" xlink:to="loc_us-gaap_MaximumMember_2607EF7C217397CACA7F6FA8E16F1FBC" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_MinimumMember" xlink:label="loc_us-gaap_MinimumMember_CE9244423CE606C60C3F6FA8E16FA99A" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RangeMember_ADE295B0E7F00AC584866FA8E16F083C" xlink:to="loc_us-gaap_MinimumMember_CE9244423CE606C60C3F6FA8E16FA99A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized_46457D5DC14B12E86FFC6FA8E16F7442" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_FEE96D04561974B380E96FA8E16FB5B5" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized_46457D5DC14B12E86FFC6FA8E16F7442" xlink:type="arc" />
    <loc xlink:href="mjn-20140422.xsd#mjn_ShareBasedCompensationArrangementByShareBasedPaymentAwardPercentageOfMarketPriceToPurchaseCommonStock" xlink:label="loc_mjn_ShareBasedCompensationArrangementByShareBasedPaymentAwardPercentageOfMarketPriceToPurchaseCommonStock_E429A8753CBD26BB2D106FA8E16F1335" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_FEE96D04561974B380E96FA8E16FB5B5" xlink:to="loc_mjn_ShareBasedCompensationArrangementByShareBasedPaymentAwardPercentageOfMarketPriceToPurchaseCommonStock_E429A8753CBD26BB2D106FA8E16F1335" xlink:type="arc" />
    <loc xlink:href="mjn-20140422.xsd#mjn_ShareBasedCompensationArrangementByShareBasedPaymentAwardPercentageOfStockOptionsExercisableOnFirstTillFourthAnniversariesOfGrantDate" xlink:label="loc_mjn_ShareBasedCompensationArrangementByShareBasedPaymentAwardPercentageOfStockOptionsExercisableOnFirstTillFourthAnniversariesOfGrantDate_E850400E4DF1296BE5596FA8E16F42ED" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_FEE96D04561974B380E96FA8E16FB5B5" xlink:to="loc_mjn_ShareBasedCompensationArrangementByShareBasedPaymentAwardPercentageOfStockOptionsExercisableOnFirstTillFourthAnniversariesOfGrantDate_E850400E4DF1296BE5596FA8E16F42ED" xlink:type="arc" />
    <loc xlink:href="mjn-20140422.xsd#mjn_ShareBasedCompensationArrangementByShareBasedPaymentAwardPercentageOfStockOptionsExercisableOnFirstTillThirdAnniversariesOfGrantDate" xlink:label="loc_mjn_ShareBasedCompensationArrangementByShareBasedPaymentAwardPercentageOfStockOptionsExercisableOnFirstTillThirdAnniversariesOfGrantDate_13A325EA751595B9C6566FA8E16F7250" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_FEE96D04561974B380E96FA8E16FB5B5" xlink:to="loc_mjn_ShareBasedCompensationArrangementByShareBasedPaymentAwardPercentageOfStockOptionsExercisableOnFirstTillThirdAnniversariesOfGrantDate_13A325EA751595B9C6566FA8E16F7250" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_236D4DDF5C1402C0F8E66FA8E16FB40D" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_FEE96D04561974B380E96FA8E16FB5B5" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_236D4DDF5C1402C0F8E66FA8E16FB40D" xlink:type="arc" />
    <loc xlink:href="mjn-20140422.xsd#mjn_ShareBasedCompensationArrangementByShareBasedPaymentAwardPercentagePayout" xlink:label="loc_mjn_ShareBasedCompensationArrangementByShareBasedPaymentAwardPercentagePayout_6168B61B2D8BF374B9066FA8E170865A" xlink:type="locator" />
    <definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_FEE96D04561974B380E96FA8E16FB5B5" xlink:to="loc_mjn_ShareBasedCompensationArrangementByShareBasedPaymentAwardPercentagePayout_6168B61B2D8BF374B9066FA8E170865A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAndMethodologyAbstract" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAndMethodologyAbstract_B821E1EACAC102F67A746FA8E170E12F" xlink:type="locator" />
    <definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_FEE96D04561974B380E96FA8E16FB5B5" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAndMethodologyAbstract_B821E1EACAC102F67A746FA8E170E12F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate_FE48A4F9472A9BDC49FC6FA8E170067C" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAndMethodologyAbstract_B821E1EACAC102F67A746FA8E170E12F" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate_FE48A4F9472A9BDC49FC6FA8E170067C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate_1B1E144AA69BBD891F546FA8E1703E70" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAndMethodologyAbstract_B821E1EACAC102F67A746FA8E170E12F" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate_1B1E144AA69BBD891F546FA8E1703E70" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate_7AC60301840BD6A162FF6FA8E170DBA7" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAndMethodologyAbstract_B821E1EACAC102F67A746FA8E170E12F" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate_7AC60301840BD6A162FF6FA8E170DBA7" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1_B13E662A592D0D17F2666FA8E170BE0E" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAndMethodologyAbstract_B821E1EACAC102F67A746FA8E170E12F" xlink:to="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1_B13E662A592D0D17F2666FA8E170BE0E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_EFF67DB36AF6E3FA9F4E6FA8E170DFC0" xlink:type="locator" />
    <definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_FEE96D04561974B380E96FA8E16FB5B5" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_EFF67DB36AF6E3FA9F4E6FA8E170DFC0" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_53A9C7E5A031A7C7BB6B6FA8E1708458" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_EFF67DB36AF6E3FA9F4E6FA8E170DFC0" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_53A9C7E5A031A7C7BB6B6FA8E1708458" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod_4AF4062110B5207BE5046FA8E1706824" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_EFF67DB36AF6E3FA9F4E6FA8E170DFC0" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod_4AF4062110B5207BE5046FA8E1706824" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_6642C94C841839EC890E6FA8E1700AD0" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_EFF67DB36AF6E3FA9F4E6FA8E170DFC0" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_6642C94C841839EC890E6FA8E1700AD0" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod_1CAE1B67F97C52B292D16FA8E17066C7" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_EFF67DB36AF6E3FA9F4E6FA8E170DFC0" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod_1CAE1B67F97C52B292D16FA8E17066C7" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber_6F519B7253C7D271CA136FA8E1709948" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_EFF67DB36AF6E3FA9F4E6FA8E170DFC0" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber_6F519B7253C7D271CA136FA8E1709948" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber_76DB09454C27B35DB2356FA8E1701CD6" xlink:type="locator" />
    <definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_EFF67DB36AF6E3FA9F4E6FA8E170DFC0" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber_76DB09454C27B35DB2356FA8E1701CD6" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAdditionalDisclosuresAbstract" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAdditionalDisclosuresAbstract_3767187A31CBAA7CA8F56FA8E170441E" xlink:type="locator" />
    <definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_FEE96D04561974B380E96FA8E16FB5B5" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAdditionalDisclosuresAbstract_3767187A31CBAA7CA8F56FA8E170441E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_1630681B654F1FF1C2336FA8E170A28E" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAdditionalDisclosuresAbstract_3767187A31CBAA7CA8F56FA8E170441E" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_1630681B654F1FF1C2336FA8E170A28E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_43B74D61BBAB9AF75DF86FA8E1702305" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAdditionalDisclosuresAbstract_3767187A31CBAA7CA8F56FA8E170441E" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_43B74D61BBAB9AF75DF86FA8E1702305" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice_AD279B7344D512F5EBB36FA8E170A043" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAdditionalDisclosuresAbstract_3767187A31CBAA7CA8F56FA8E170441E" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice_AD279B7344D512F5EBB36FA8E170A043" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice_9513485FD615DE2327D06FA8E171356F" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAdditionalDisclosuresAbstract_3767187A31CBAA7CA8F56FA8E170441E" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice_9513485FD615DE2327D06FA8E171356F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice_2C3095BF40CE69B0859A6FA8E1711157" xlink:type="locator" />
    <definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAdditionalDisclosuresAbstract_3767187A31CBAA7CA8F56FA8E170441E" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice_2C3095BF40CE69B0859A6FA8E1711157" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice_4271788592B0205CFC566FA8E171380C" xlink:type="locator" />
    <definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAdditionalDisclosuresAbstract_3767187A31CBAA7CA8F56FA8E170441E" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice_4271788592B0205CFC566FA8E171380C" xlink:type="arc" />
    <loc xlink:href="mjn-20140422.xsd#mjn_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsWeightedAverageRemainingContractualTermAbstract" xlink:label="loc_mjn_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsWeightedAverageRemainingContractualTermAbstract_471489D9A8C561B81D8F6FA8E171D615" xlink:type="locator" />
    <definitionArc order="10" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_FEE96D04561974B380E96FA8E16FB5B5" xlink:to="loc_mjn_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsWeightedAverageRemainingContractualTermAbstract_471489D9A8C561B81D8F6FA8E171D615" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2_CE3F9A2F5F966D4620756FA8E171BA04" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_mjn_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsWeightedAverageRemainingContractualTermAbstract_471489D9A8C561B81D8F6FA8E171D615" xlink:to="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2_CE3F9A2F5F966D4620756FA8E171BA04" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1_DE1D1BC3812D2408A59B6FA8E1711E7D" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_mjn_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsWeightedAverageRemainingContractualTermAbstract_471489D9A8C561B81D8F6FA8E171D615" xlink:to="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1_DE1D1BC3812D2408A59B6FA8E1711E7D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageRemainingContractualTerm1" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageRemainingContractualTerm1_BB6B76FC3BA85D70C1026FA8E171A1A4" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_mjn_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsWeightedAverageRemainingContractualTermAbstract_471489D9A8C561B81D8F6FA8E171D615" xlink:to="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageRemainingContractualTerm1_BB6B76FC3BA85D70C1026FA8E171A1A4" xlink:type="arc" />
    <loc xlink:href="mjn-20140422.xsd#mjn_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAggregateIntrinsicValueAbstract" xlink:label="loc_mjn_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAggregateIntrinsicValueAbstract_ECFF9A34F1E40D4826D96FA8E171CBC8" xlink:type="locator" />
    <definitionArc order="11" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_FEE96D04561974B380E96FA8E16FB5B5" xlink:to="loc_mjn_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAggregateIntrinsicValueAbstract_ECFF9A34F1E40D4826D96FA8E171CBC8" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue_BE731BDA7CB8674A745F6FA8E171E932" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_mjn_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAggregateIntrinsicValueAbstract_ECFF9A34F1E40D4826D96FA8E171CBC8" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue_BE731BDA7CB8674A745F6FA8E171E932" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue_5BDEC38BC9C724064CFB6FA8E1711532" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_mjn_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAggregateIntrinsicValueAbstract_ECFF9A34F1E40D4826D96FA8E171CBC8" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue_5BDEC38BC9C724064CFB6FA8E1711532" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1_6ADD0987E016D87C07766FA8E1719342" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_mjn_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAggregateIntrinsicValueAbstract_ECFF9A34F1E40D4826D96FA8E171CBC8" xlink:to="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1_6ADD0987E016D87C07766FA8E1719342" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue_53ADE7C077D56279114E6FA8E17171A1" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_mjn_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAggregateIntrinsicValueAbstract_ECFF9A34F1E40D4826D96FA8E171CBC8" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue_53ADE7C077D56279114E6FA8E17171A1" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_37FDF1ADD1B29F2753636FA8E1719D66" xlink:type="locator" />
    <definitionArc order="12" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_FEE96D04561974B380E96FA8E16FB5B5" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_37FDF1ADD1B29F2753636FA8E1719D66" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationCashReceivedFromExerciseOfStockOptions" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationCashReceivedFromExerciseOfStockOptions_0532D979E3AB909EF8206FA8E1710E83" xlink:type="locator" />
    <definitionArc order="13" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_FEE96D04561974B380E96FA8E16FB5B5" xlink:to="loc_us-gaap_EmployeeServiceShareBasedCompensationCashReceivedFromExerciseOfStockOptions_0532D979E3AB909EF8206FA8E1710E83" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DeferredTaxExpenseFromStockOptionsExercised" xlink:label="loc_us-gaap_DeferredTaxExpenseFromStockOptionsExercised_04C04FA5D1D8FC3809FD6FA8E1725CD6" xlink:type="locator" />
    <definitionArc order="14" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_FEE96D04561974B380E96FA8E16FB5B5" xlink:to="loc_us-gaap_DeferredTaxExpenseFromStockOptionsExercised_04C04FA5D1D8FC3809FD6FA8E1725CD6" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized_CB0D65957B4C74EEB7A06FA8E1727588" xlink:type="locator" />
    <definitionArc order="15" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_FEE96D04561974B380E96FA8E16FB5B5" xlink:to="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized_CB0D65957B4C74EEB7A06FA8E1727588" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1_0A803AA3B1A29F6880BE6FA8E1725C5B" xlink:type="locator" />
    <definitionArc order="16" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_FEE96D04561974B380E96FA8E16FB5B5" xlink:to="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1_0A803AA3B1A29F6880BE6FA8E1725C5B" xlink:type="arc" />
    <loc xlink:href="mjn-20140422.xsd#mjn_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAbstract" xlink:label="loc_mjn_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAbstract_56D19CCF6538C0EB73FD6FA8E17285F2" xlink:type="locator" />
    <definitionArc order="17" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_FEE96D04561974B380E96FA8E16FB5B5" xlink:to="loc_mjn_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAbstract_56D19CCF6538C0EB73FD6FA8E17285F2" xlink:type="arc" />
    <loc xlink:href="mjn-20140422.xsd#mjn_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsAndEarnedInPeriod" xlink:label="loc_mjn_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsAndEarnedInPeriod_F9BA317F6A1D9B8653B96FA8E172D4DE" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_mjn_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAbstract_56D19CCF6538C0EB73FD6FA8E17285F2" xlink:to="loc_mjn_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsAndEarnedInPeriod_F9BA317F6A1D9B8653B96FA8E172D4DE" xlink:type="arc" />
    <loc xlink:href="mjn-20140422.xsd#mjn_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingWeightedAverageGrantDateFairValue" xlink:label="loc_mjn_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingWeightedAverageGrantDateFairValue_6083E063A7B63638C56B6FA8E1722024" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_mjn_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAbstract_56D19CCF6538C0EB73FD6FA8E17285F2" xlink:to="loc_mjn_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingWeightedAverageGrantDateFairValue_6083E063A7B63638C56B6FA8E1722024" xlink:type="arc" />
    <loc xlink:href="mjn-20140422.xsd#mjn_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingNumber" xlink:label="loc_mjn_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingNumber_FA5B620B9CBF818CAE4D6FA8E1728E08" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_mjn_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAbstract_56D19CCF6538C0EB73FD6FA8E17285F2" xlink:to="loc_mjn_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingNumber_FA5B620B9CBF818CAE4D6FA8E1728E08" xlink:type="arc" />
    <loc xlink:href="mjn-20140422.xsd#mjn_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsAndEarnedInPeriodAssumptionsOnPercentageOfPlanPerformance" xlink:label="loc_mjn_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsAndEarnedInPeriodAssumptionsOnPercentageOfPlanPerformance_92F4403875E563D0FAB96FA8E1726E64" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_mjn_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAbstract_56D19CCF6538C0EB73FD6FA8E17285F2" xlink:to="loc_mjn_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsAndEarnedInPeriodAssumptionsOnPercentageOfPlanPerformance_92F4403875E563D0FAB96FA8E1726E64" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_E0F6C62D93625125A87A6FA8E17213F3" xlink:type="locator" />
    <definitionArc order="18" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_FEE96D04561974B380E96FA8E16FB5B5" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_E0F6C62D93625125A87A6FA8E17213F3" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_ADA457FA71656BC547236FA8E172A1C3" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_E0F6C62D93625125A87A6FA8E17213F3" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_ADA457FA71656BC547236FA8E172A1C3" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_ED5F1E42FB10C6C3E7706FA8E172320C" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_E0F6C62D93625125A87A6FA8E17213F3" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_ED5F1E42FB10C6C3E7706FA8E172320C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_D9F6E199B91FE4E5E3226FA8E1727E0F" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_E0F6C62D93625125A87A6FA8E17213F3" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_D9F6E199B91FE4E5E3226FA8E1727E0F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_70019A5712E697E5137D6FA8E1727FDE" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_E0F6C62D93625125A87A6FA8E17213F3" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_70019A5712E697E5137D6FA8E1727FDE" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAdditionalDisclosuresAbstract" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAdditionalDisclosuresAbstract_942868E9DBB8B86BE75E6FA8E1739313" xlink:type="locator" />
    <definitionArc order="19" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_FEE96D04561974B380E96FA8E16FB5B5" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAdditionalDisclosuresAbstract_942868E9DBB8B86BE75E6FA8E1739313" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_7966F7E09ACA269163D16FA8E1732860" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAdditionalDisclosuresAbstract_942868E9DBB8B86BE75E6FA8E1739313" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_7966F7E09ACA269163D16FA8E1732860" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_D3BADF5647F24F38A88A6FA8E17343FD" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAdditionalDisclosuresAbstract_942868E9DBB8B86BE75E6FA8E1739313" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_D3BADF5647F24F38A88A6FA8E17343FD" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_D764BA9BF6DCF5A729BD6FA8E1739FB3" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAdditionalDisclosuresAbstract_942868E9DBB8B86BE75E6FA8E1739313" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_D764BA9BF6DCF5A729BD6FA8E1739FB3" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue_00BF545ECAD22D5A93456FA8E173B331" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAdditionalDisclosuresAbstract_942868E9DBB8B86BE75E6FA8E1739313" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue_00BF545ECAD22D5A93456FA8E173B331" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AllocatedShareBasedCompensationExpense" xlink:label="loc_us-gaap_AllocatedShareBasedCompensationExpense_F3E6DE18D0AB64DB3C8C6FA8E173526B" xlink:type="locator" />
    <definitionArc order="20" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_FEE96D04561974B380E96FA8E16FB5B5" xlink:to="loc_us-gaap_AllocatedShareBasedCompensationExpense_F3E6DE18D0AB64DB3C8C6FA8E173526B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationAggregateDisclosuresAbstract" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationAggregateDisclosuresAbstract_15D1F431B357BA1C9A406FA8E17309BC" xlink:type="locator" />
    <definitionArc order="21" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_FEE96D04561974B380E96FA8E16FB5B5" xlink:to="loc_us-gaap_EmployeeServiceShareBasedCompensationAggregateDisclosuresAbstract_15D1F431B357BA1C9A406FA8E17309BC" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense_3194980D60163A1F955C6FA8E17390E7" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EmployeeServiceShareBasedCompensationAggregateDisclosuresAbstract_15D1F431B357BA1C9A406FA8E17309BC" xlink:to="loc_us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense_3194980D60163A1F955C6FA8E17390E7" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.meadjohnson.com/role/EmployeeStockBenefitPlansDetails2" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsLineItems" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsLineItems_3026839BEE251233E5876FA8E0D0D412" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTable" xlink:label="loc_us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTable_F90F7EBA1B92719049656FA8E0D0FB5B" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsLineItems_3026839BEE251233E5876FA8E0D0D412" xlink:to="loc_us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTable_F90F7EBA1B92719049656FA8E0D0FB5B" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_IncomeStatementLocationAxis" xlink:label="loc_us-gaap_IncomeStatementLocationAxis_E8F54969D145B3D2EA996FA8E0D019FC" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTable_F90F7EBA1B92719049656FA8E0D0FB5B" xlink:to="loc_us-gaap_IncomeStatementLocationAxis_E8F54969D145B3D2EA996FA8E0D019FC" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_IncomeStatementLocationDomain" xlink:label="loc_us-gaap_IncomeStatementLocationDomain_CDF7F10106279D8726F56FA8E0D0C6B4_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_IncomeStatementLocationAxis_E8F54969D145B3D2EA996FA8E0D019FC" xlink:to="loc_us-gaap_IncomeStatementLocationDomain_CDF7F10106279D8726F56FA8E0D0C6B4_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_IncomeStatementLocationDomain" xlink:label="loc_us-gaap_IncomeStatementLocationDomain_CDF7F10106279D8726F56FA8E0D0C6B4" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_IncomeStatementLocationAxis_E8F54969D145B3D2EA996FA8E0D019FC" xlink:to="loc_us-gaap_IncomeStatementLocationDomain_CDF7F10106279D8726F56FA8E0D0C6B4" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CostOfSalesMember" xlink:label="loc_us-gaap_CostOfSalesMember_C6A42BDB1662AE91D0E76FA8E0D06947" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_CDF7F10106279D8726F56FA8E0D0C6B4" xlink:to="loc_us-gaap_CostOfSalesMember_C6A42BDB1662AE91D0E76FA8E0D06947" xlink:type="arc" />
    <loc xlink:href="mjn-20140422.xsd#mjn_SellingGeneralAndAdministrativeExpenseMember" xlink:label="loc_mjn_SellingGeneralAndAdministrativeExpenseMember_41194A5E64C017E5787F6FA8E0D05516" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_CDF7F10106279D8726F56FA8E0D0C6B4" xlink:to="loc_mjn_SellingGeneralAndAdministrativeExpenseMember_41194A5E64C017E5787F6FA8E0D05516" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ResearchAndDevelopmentExpenseMember" xlink:label="loc_us-gaap_ResearchAndDevelopmentExpenseMember_6BFA31645C5733B129766FA8E0D0BC7A" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_CDF7F10106279D8726F56FA8E0D0C6B4" xlink:to="loc_us-gaap_ResearchAndDevelopmentExpenseMember_6BFA31645C5733B129766FA8E0D0BC7A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AllocatedShareBasedCompensationExpense" xlink:label="loc_us-gaap_AllocatedShareBasedCompensationExpense_D046F31F5E2D089F9EC26FA8E0D0C9D7" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsLineItems_3026839BEE251233E5876FA8E0D0D412" xlink:to="loc_us-gaap_AllocatedShareBasedCompensationExpense_D046F31F5E2D089F9EC26FA8E0D0C9D7" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount_0FC36A43D7E6C5BEBD2D6FA8E0D0B0D4" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsLineItems_3026839BEE251233E5876FA8E0D0D412" xlink:to="loc_us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount_0FC36A43D7E6C5BEBD2D6FA8E0D0B0D4" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.meadjohnson.com/role/EmployeeStockBenefitPlansTables" xlink:type="extended" />
  <definitionLink xlink:role="http://www.meadjohnson.com/role/Equity" xlink:type="extended" />
  <definitionLink xlink:role="http://www.meadjohnson.com/role/EquityDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_StatementLineItems" xlink:label="loc_us-gaap_StatementLineItems_189EEE6940B300E87AFF3E2304FF335B" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_StatementTable" xlink:label="loc_us-gaap_StatementTable_2289F08D1BCA3552504A3E2304F7479E" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_StatementLineItems_189EEE6940B300E87AFF3E2304FF335B" xlink:to="loc_us-gaap_StatementTable_2289F08D1BCA3552504A3E2304F7479E" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_IncomeStatementLocationAxis" xlink:label="loc_us-gaap_IncomeStatementLocationAxis_08908F794EBC2B3A3EBA3E2304F7E2A3" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_2289F08D1BCA3552504A3E2304F7479E" xlink:to="loc_us-gaap_IncomeStatementLocationAxis_08908F794EBC2B3A3EBA3E2304F7E2A3" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_IncomeStatementLocationDomain" xlink:label="loc_us-gaap_IncomeStatementLocationDomain_2FF9B9954573CB6CBF883E2304F74D10_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_IncomeStatementLocationAxis_08908F794EBC2B3A3EBA3E2304F7E2A3" xlink:to="loc_us-gaap_IncomeStatementLocationDomain_2FF9B9954573CB6CBF883E2304F74D10_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_IncomeStatementLocationDomain" xlink:label="loc_us-gaap_IncomeStatementLocationDomain_2FF9B9954573CB6CBF883E2304F74D10" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_IncomeStatementLocationAxis_08908F794EBC2B3A3EBA3E2304F7E2A3" xlink:to="loc_us-gaap_IncomeStatementLocationDomain_2FF9B9954573CB6CBF883E2304F74D10" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CostOfSalesMember" xlink:label="loc_us-gaap_CostOfSalesMember_BBAF8603C1D9D543CB093E2304F70776" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_2FF9B9954573CB6CBF883E2304F74D10" xlink:to="loc_us-gaap_CostOfSalesMember_BBAF8603C1D9D543CB093E2304F70776" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_SellingGeneralAndAdministrativeExpensesMember" xlink:label="loc_us-gaap_SellingGeneralAndAdministrativeExpensesMember_0163843AE1FDBA4E9F7C3E2304F89F57" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_2FF9B9954573CB6CBF883E2304F74D10" xlink:to="loc_us-gaap_SellingGeneralAndAdministrativeExpensesMember_0163843AE1FDBA4E9F7C3E2304F89F57" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ResearchAndDevelopmentExpenseMember" xlink:label="loc_us-gaap_ResearchAndDevelopmentExpenseMember_94E6C48982784BE19A743E2304F8E859" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_2FF9B9954573CB6CBF883E2304F74D10" xlink:to="loc_us-gaap_ResearchAndDevelopmentExpenseMember_94E6C48982784BE19A743E2304F8E859" xlink:type="arc" />
    <loc xlink:href="mjn-20140422.xsd#mjn_OtherexpensesnetMember" xlink:label="loc_mjn_OtherexpensesnetMember_F4DF15F29602F077754A3E2304F84731" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_2FF9B9954573CB6CBF883E2304F74D10" xlink:to="loc_mjn_OtherexpensesnetMember_F4DF15F29602F077754A3E2304F84731" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DerivativeInstrumentRiskAxis" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis_212B64AAC2C23633DE123E2304F87B63" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_2289F08D1BCA3552504A3E2304F7479E" xlink:to="loc_us-gaap_DerivativeInstrumentRiskAxis_212B64AAC2C23633DE123E2304F87B63" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DerivativeContractTypeDomain" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_EE3611ECAB9128EE66963E2304F8C2AA_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_212B64AAC2C23633DE123E2304F87B63" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_EE3611ECAB9128EE66963E2304F8C2AA_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DerivativeContractTypeDomain" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_EE3611ECAB9128EE66963E2304F8C2AA" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_212B64AAC2C23633DE123E2304F87B63" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_EE3611ECAB9128EE66963E2304F8C2AA" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ForeignExchangeMember" xlink:label="loc_us-gaap_ForeignExchangeMember_5AE296230D45D624DF113E2304F88506" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_EE3611ECAB9128EE66963E2304F8C2AA" xlink:to="loc_us-gaap_ForeignExchangeMember_5AE296230D45D624DF113E2304F88506" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis" xlink:label="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis_EF1EB42CEF7FBBDDD3C23E2304F8B832" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_2289F08D1BCA3552504A3E2304F7479E" xlink:to="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis_EF1EB42CEF7FBBDDD3C23E2304F8B832" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeDomain" xlink:label="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeDomain_B5AA1B570B31EE9740473E2304F8D17C_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis_EF1EB42CEF7FBBDDD3C23E2304F8B832" xlink:to="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeDomain_B5AA1B570B31EE9740473E2304F8D17C_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeDomain" xlink:label="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeDomain_B5AA1B570B31EE9740473E2304F8D17C" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis_EF1EB42CEF7FBBDDD3C23E2304F8B832" xlink:to="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeDomain_B5AA1B570B31EE9740473E2304F8D17C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember" xlink:label="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember_4161CAC36E5C9D63585F3E2304F8FECA" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeDomain_B5AA1B570B31EE9740473E2304F8D17C" xlink:to="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember_4161CAC36E5C9D63585F3E2304F8FECA" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShareRepurchaseProgramAxis" xlink:label="loc_us-gaap_ShareRepurchaseProgramAxis_6A18073F8CF52B8E132E3E2304F8766A" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_2289F08D1BCA3552504A3E2304F7479E" xlink:to="loc_us-gaap_ShareRepurchaseProgramAxis_6A18073F8CF52B8E132E3E2304F8766A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShareRepurchaseProgramDomain" xlink:label="loc_us-gaap_ShareRepurchaseProgramDomain_435BF84B87D68AFD57533E2304F8EF62_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ShareRepurchaseProgramAxis_6A18073F8CF52B8E132E3E2304F8766A" xlink:to="loc_us-gaap_ShareRepurchaseProgramDomain_435BF84B87D68AFD57533E2304F8EF62_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShareRepurchaseProgramDomain" xlink:label="loc_us-gaap_ShareRepurchaseProgramDomain_435BF84B87D68AFD57533E2304F8EF62" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ShareRepurchaseProgramAxis_6A18073F8CF52B8E132E3E2304F8766A" xlink:to="loc_us-gaap_ShareRepurchaseProgramDomain_435BF84B87D68AFD57533E2304F8EF62" xlink:type="arc" />
    <loc xlink:href="mjn-20140422.xsd#mjn_MarchtwothousandtenrepurchaseMember" xlink:label="loc_mjn_MarchtwothousandtenrepurchaseMember_5E097E9853A0CA0D76D83E2304F8CBA1" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareRepurchaseProgramDomain_435BF84B87D68AFD57533E2304F8EF62" xlink:to="loc_mjn_MarchtwothousandtenrepurchaseMember_5E097E9853A0CA0D76D83E2304F8CBA1" xlink:type="arc" />
    <loc xlink:href="mjn-20140422.xsd#mjn_SeptembertwothousandthirteenrepurchaseMemberMember" xlink:label="loc_mjn_SeptembertwothousandthirteenrepurchaseMemberMember_B1611BF761924F6F604C3E2304F8D625" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareRepurchaseProgramDomain_435BF84B87D68AFD57533E2304F8EF62" xlink:to="loc_mjn_SeptembertwothousandthirteenrepurchaseMemberMember_B1611BF761924F6F604C3E2304F8D625" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_StatementEquityComponentsAxis" xlink:label="loc_us-gaap_StatementEquityComponentsAxis_D00F95BCD88279EF79613E2304F84967" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_2289F08D1BCA3552504A3E2304F7479E" xlink:to="loc_us-gaap_StatementEquityComponentsAxis_D00F95BCD88279EF79613E2304F84967" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_EquityComponentDomain" xlink:label="loc_us-gaap_EquityComponentDomain_D1FB82BD417168206E193E2304F969F7_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_D00F95BCD88279EF79613E2304F84967" xlink:to="loc_us-gaap_EquityComponentDomain_D1FB82BD417168206E193E2304F969F7_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_EquityComponentDomain" xlink:label="loc_us-gaap_EquityComponentDomain_D1FB82BD417168206E193E2304F969F7" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_D00F95BCD88279EF79613E2304F84967" xlink:to="loc_us-gaap_EquityComponentDomain_D1FB82BD417168206E193E2304F969F7" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AccumulatedTranslationAdjustmentMember" xlink:label="loc_us-gaap_AccumulatedTranslationAdjustmentMember_5D3265A7753ED37BBF7C3E2304F9AD89" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_D1FB82BD417168206E193E2304F969F7" xlink:to="loc_us-gaap_AccumulatedTranslationAdjustmentMember_5D3265A7753ED37BBF7C3E2304F9AD89" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember" xlink:label="loc_us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember_3C0177C0686026AF8EE83E2304F990E7" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_D1FB82BD417168206E193E2304F969F7" xlink:to="loc_us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember_3C0177C0686026AF8EE83E2304F990E7" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember" xlink:label="loc_us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember_26EFA7675BBE71512E5C3E2304F9B58C" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_D1FB82BD417168206E193E2304F969F7" xlink:to="loc_us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember_26EFA7675BBE71512E5C3E2304F9B58C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_NoncontrollingInterestMember" xlink:label="loc_us-gaap_NoncontrollingInterestMember_5F9C8D2E313898F8F9583E2304FEA661" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_D1FB82BD417168206E193E2304F969F7" xlink:to="loc_us-gaap_NoncontrollingInterestMember_5F9C8D2E313898F8F9583E2304FEA661" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CommonStockMember" xlink:label="loc_us-gaap_CommonStockMember_9EFCFE598CED3125F0F73E2304FE5BFA" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_D1FB82BD417168206E193E2304F969F7" xlink:to="loc_us-gaap_CommonStockMember_9EFCFE598CED3125F0F73E2304FE5BFA" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_TreasuryStockMember" xlink:label="loc_us-gaap_TreasuryStockMember_12E86FC7F62E30A7740E3E2304FED7EA" xlink:type="locator" />
    <definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_D1FB82BD417168206E193E2304F969F7" xlink:to="loc_us-gaap_TreasuryStockMember_12E86FC7F62E30A7740E3E2304FED7EA" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeMember" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_67BFD58FE5974F1895B13E2304FE3CC4" xlink:type="locator" />
    <definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_D1FB82BD417168206E193E2304F969F7" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_67BFD58FE5974F1895B13E2304FE3CC4" xlink:type="arc" />
    <loc xlink:href="mjn-20140422.xsd#mjn_TemporaryEquityAxis" xlink:label="loc_mjn_TemporaryEquityAxis_3B805B6B00FA2E9784FC3E2304FE1B21" xlink:type="locator" />
    <definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_2289F08D1BCA3552504A3E2304F7479E" xlink:to="loc_mjn_TemporaryEquityAxis_3B805B6B00FA2E9784FC3E2304FE1B21" xlink:type="arc" />
    <loc xlink:href="mjn-20140422.xsd#mjn_TemporaryEquityDomain" xlink:label="loc_mjn_TemporaryEquityDomain_9096C04D0A2672665D7A3E2304FEEB3D_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_mjn_TemporaryEquityAxis_3B805B6B00FA2E9784FC3E2304FE1B21" xlink:to="loc_mjn_TemporaryEquityDomain_9096C04D0A2672665D7A3E2304FEEB3D_default" xlink:type="arc" />
    <loc xlink:href="mjn-20140422.xsd#mjn_TemporaryEquityDomain" xlink:label="loc_mjn_TemporaryEquityDomain_9096C04D0A2672665D7A3E2304FEEB3D" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_mjn_TemporaryEquityAxis_3B805B6B00FA2E9784FC3E2304FE1B21" xlink:to="loc_mjn_TemporaryEquityDomain_9096C04D0A2672665D7A3E2304FEEB3D" xlink:type="arc" />
    <loc xlink:href="mjn-20140422.xsd#mjn_RedeemableNoncontrollingInterestsMember" xlink:label="loc_mjn_RedeemableNoncontrollingInterestsMember_8C029EF52589CC91F3DD3E2304FF0CED" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_mjn_TemporaryEquityDomain_9096C04D0A2672665D7A3E2304FEEB3D" xlink:to="loc_mjn_RedeemableNoncontrollingInterestsMember_8C029EF52589CC91F3DD3E2304FF0CED" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_IncreaseDecreaseInStockholdersEquityRollForward" xlink:label="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_74990C3719662AFAB0383E2304FFCA6F" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_189EEE6940B300E87AFF3E2304FF335B" xlink:to="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_74990C3719662AFAB0383E2304FFCA6F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CommonStockSharesIssued" xlink:label="loc_us-gaap_CommonStockSharesIssued_0536F55A870BF46CB8413E2304FFC3EF" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_74990C3719662AFAB0383E2304FFCA6F" xlink:to="loc_us-gaap_CommonStockSharesIssued_0536F55A870BF46CB8413E2304FFC3EF" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_TreasuryStockShares" xlink:label="loc_us-gaap_TreasuryStockShares_CFB78F997C39D7CC5F733E2304FF5BC3" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_74990C3719662AFAB0383E2304FFCA6F" xlink:to="loc_us-gaap_TreasuryStockShares_CFB78F997C39D7CC5F733E2304FF5BC3" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesEmployeeBenefitPlan" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesEmployeeBenefitPlan_4748345C8140B362DA033E2304FF287E" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_74990C3719662AFAB0383E2304FFCA6F" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesEmployeeBenefitPlan_4748345C8140B362DA033E2304FF287E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_StockRepurchasedDuringPeriodShares" xlink:label="loc_us-gaap_StockRepurchasedDuringPeriodShares_B56E71EB487B92C061353E2304FFE24A" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_74990C3719662AFAB0383E2304FFCA6F" xlink:to="loc_us-gaap_StockRepurchasedDuringPeriodShares_B56E71EB487B92C061353E2304FFE24A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_TreasuryStockValue" xlink:label="loc_us-gaap_TreasuryStockValue_538F67AA8F62F75EBC333E2304FF2159" xlink:type="locator" />
    <definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_74990C3719662AFAB0383E2304FFCA6F" xlink:to="loc_us-gaap_TreasuryStockValue_538F67AA8F62F75EBC333E2304FF2159" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_TreasuryStockReissuedAtLowerThanRepurchasePrice" xlink:label="loc_us-gaap_TreasuryStockReissuedAtLowerThanRepurchasePrice_C69BF574415FA4B2EBE93E2304FF9889" xlink:type="locator" />
    <definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_74990C3719662AFAB0383E2304FFCA6F" xlink:to="loc_us-gaap_TreasuryStockReissuedAtLowerThanRepurchasePrice_C69BF574415FA4B2EBE93E2304FF9889" xlink:type="arc" />
    <loc xlink:href="mjn-20140422.xsd#mjn_TreasuryStockValuePurchasesCostMethod" xlink:label="loc_mjn_TreasuryStockValuePurchasesCostMethod_BF848055D062D932A3AD3E2304FF6C62" xlink:type="locator" />
    <definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_74990C3719662AFAB0383E2304FFCA6F" xlink:to="loc_mjn_TreasuryStockValuePurchasesCostMethod_BF848055D062D932A3AD3E2304FF6C62" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_StockRepurchaseProgramAuthorizedAmount" xlink:label="loc_us-gaap_StockRepurchaseProgramAuthorizedAmount_C9EB7A3E6BBB1780E44C3E2304FFBA1E" xlink:type="locator" />
    <definitionArc order="11" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_74990C3719662AFAB0383E2304FFCA6F" xlink:to="loc_us-gaap_StockRepurchaseProgramAuthorizedAmount_C9EB7A3E6BBB1780E44C3E2304FFBA1E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_TreasuryStockSharesRetired" xlink:label="loc_us-gaap_TreasuryStockSharesRetired_838D2BAF55BF55EF2CA33E2305005828" xlink:type="locator" />
    <definitionArc order="12" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_74990C3719662AFAB0383E2304FFCA6F" xlink:to="loc_us-gaap_TreasuryStockSharesRetired_838D2BAF55BF55EF2CA33E2305005828" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_TreasuryStockAcquiredAverageCostPerShare" xlink:label="loc_us-gaap_TreasuryStockAcquiredAverageCostPerShare_6FD0CF5B52BE6E1E88D23E2305001FBE" xlink:type="locator" />
    <definitionArc order="13" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_74990C3719662AFAB0383E2304FFCA6F" xlink:to="loc_us-gaap_TreasuryStockAcquiredAverageCostPerShare_6FD0CF5B52BE6E1E88D23E2305001FBE" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount" xlink:label="loc_us-gaap_StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount_8FA764A5AA6DA7BD8C333E230500C399" xlink:type="locator" />
    <definitionArc order="14" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_74990C3719662AFAB0383E2304FFCA6F" xlink:to="loc_us-gaap_StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount_8FA764A5AA6DA7BD8C333E230500C399" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_BC931623BACEAD3DCE513E230500FC64" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_189EEE6940B300E87AFF3E2304FF335B" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_BC931623BACEAD3DCE513E230500FC64" xlink:type="arc" />
    <loc xlink:href="mjn-20140422.xsd#mjn_StockholdersEquityNoncontrollingInterestAccumulatedOtherComprehensiveIncome" xlink:label="loc_mjn_StockholdersEquityNoncontrollingInterestAccumulatedOtherComprehensiveIncome_CC18AF5F14AC70AD6DD43E230500C4EB" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_189EEE6940B300E87AFF3E2304FF335B" xlink:to="loc_mjn_StockholdersEquityNoncontrollingInterestAccumulatedOtherComprehensiveIncome_CC18AF5F14AC70AD6DD43E230500C4EB" xlink:type="arc" />
    <loc xlink:href="mjn-20140422.xsd#mjn_Redeemablenoncontrollinginterestaccumlatedothercomprehensiveincomeloss" xlink:label="loc_mjn_Redeemablenoncontrollinginterestaccumlatedothercomprehensiveincomeloss_B07CA87314B7F210F9A73E230500AEB1" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_189EEE6940B300E87AFF3E2304FF335B" xlink:to="loc_mjn_Redeemablenoncontrollinginterestaccumlatedothercomprehensiveincomeloss_B07CA87314B7F210F9A73E230500AEB1" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsBeforeTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsBeforeTax_A608E891667B24A3BCCA3E230500C875" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_189EEE6940B300E87AFF3E2304FF335B" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsBeforeTax_A608E891667B24A3BCCA3E230500C875" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax" xlink:label="loc_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax_14FF9C0ADADB2A445E993E230500E9C4" xlink:type="locator" />
    <definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_189EEE6940B300E87AFF3E2304FF335B" xlink:to="loc_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax_14FF9C0ADADB2A445E993E230500E9C4" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax_45F8BBE84046642D81803E23050044D8" xlink:type="locator" />
    <definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_189EEE6940B300E87AFF3E2304FF335B" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax_45F8BBE84046642D81803E23050044D8" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax_6B3FB49D8C52F6997A2C3E230500B9F4" xlink:type="locator" />
    <definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_189EEE6940B300E87AFF3E2304FF335B" xlink:to="loc_us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax_6B3FB49D8C52F6997A2C3E230500B9F4" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax_DAAB68C3A342AB710D723E2305004E3E" xlink:type="locator" />
    <definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_189EEE6940B300E87AFF3E2304FF335B" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax_DAAB68C3A342AB710D723E2305004E3E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossTax_F842849BCCA638EDBE833E2305000EFA" xlink:type="locator" />
    <definitionArc order="10" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_189EEE6940B300E87AFF3E2304FF335B" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossTax_F842849BCCA638EDBE833E2305000EFA" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CostOfGoodsSold" xlink:label="loc_us-gaap_CostOfGoodsSold_03495C261A939988D6DD3E2305000733" xlink:type="locator" />
    <definitionArc order="11" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_189EEE6940B300E87AFF3E2304FF335B" xlink:to="loc_us-gaap_CostOfGoodsSold_03495C261A939988D6DD3E2305000733" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_IncomeTaxExpenseBenefit" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_23951FD2721022BC21A63E230500525E" xlink:type="locator" />
    <definitionArc order="12" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_189EEE6940B300E87AFF3E2304FF335B" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_23951FD2721022BC21A63E230500525E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ProfitLoss" xlink:label="loc_us-gaap_ProfitLoss_AC6A8A3BBA159C1BD9DE3E230500F269" xlink:type="locator" />
    <definitionArc order="13" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_189EEE6940B300E87AFF3E2304FF335B" xlink:to="loc_us-gaap_ProfitLoss_AC6A8A3BBA159C1BD9DE3E230500F269" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax_8EA6123CD35740D561673E2305001B81" xlink:type="locator" />
    <definitionArc order="14" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_189EEE6940B300E87AFF3E2304FF335B" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax_8EA6123CD35740D561673E2305001B81" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditBeforeTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditBeforeTax_DB193B308664FC06A9313E230501AE29" xlink:type="locator" />
    <definitionArc order="15" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_189EEE6940B300E87AFF3E2304FF335B" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditBeforeTax_DB193B308664FC06A9313E230501AE29" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax_04B7023D810938233B813E23050148E2" xlink:type="locator" />
    <definitionArc order="16" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_189EEE6940B300E87AFF3E2304FF335B" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax_04B7023D810938233B813E23050148E2" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_SellingGeneralAndAdministrativeExpense" xlink:label="loc_us-gaap_SellingGeneralAndAdministrativeExpense_0531913D29F57C71FC113E230501972A" xlink:type="locator" />
    <definitionArc order="17" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_189EEE6940B300E87AFF3E2304FF335B" xlink:to="loc_us-gaap_SellingGeneralAndAdministrativeExpense_0531913D29F57C71FC113E230501972A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ResearchAndDevelopmentExpense" xlink:label="loc_us-gaap_ResearchAndDevelopmentExpense_5DE6C4191581157A8C243E2305010653" xlink:type="locator" />
    <definitionArc order="18" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_189EEE6940B300E87AFF3E2304FF335B" xlink:to="loc_us-gaap_ResearchAndDevelopmentExpense_5DE6C4191581157A8C243E2305010653" xlink:type="arc" />
    <loc xlink:href="mjn-20140422.xsd#mjn_OtherExpensesincomenet" xlink:label="loc_mjn_OtherExpensesincomenet_D00642471D6D284F8FA13E2305017D80" xlink:type="locator" />
    <definitionArc order="19" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_189EEE6940B300E87AFF3E2304FF335B" xlink:to="loc_mjn_OtherExpensesincomenet_D00642471D6D284F8FA13E2305017D80" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CommonStockDividendsPerShareDeclared" xlink:label="loc_us-gaap_CommonStockDividendsPerShareDeclared_3FD2BE7EC77BA3979C413E2305013C9D" xlink:type="locator" />
    <definitionArc order="20" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_189EEE6940B300E87AFF3E2304FF335B" xlink:to="loc_us-gaap_CommonStockDividendsPerShareDeclared_3FD2BE7EC77BA3979C413E2305013C9D" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.meadjohnson.com/role/EquityTables" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_A072E7BEA25DD5C2E1EF6FA8E0B3AEA2" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossTable" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_6C8B22855278F87038DB6FA8E0B31DE2" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_A072E7BEA25DD5C2E1EF6FA8E0B3AEA2" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_6C8B22855278F87038DB6FA8E0B31DE2" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_StatementEquityComponentsAxis" xlink:label="loc_us-gaap_StatementEquityComponentsAxis_658368FBAF9FFEC1AC716FA8E0B3ACEF" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_6C8B22855278F87038DB6FA8E0B31DE2" xlink:to="loc_us-gaap_StatementEquityComponentsAxis_658368FBAF9FFEC1AC716FA8E0B3ACEF" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_EquityComponentDomain" xlink:label="loc_us-gaap_EquityComponentDomain_FBB72FA095D9843A2F1C6FA8E0B35CB4_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_658368FBAF9FFEC1AC716FA8E0B3ACEF" xlink:to="loc_us-gaap_EquityComponentDomain_FBB72FA095D9843A2F1C6FA8E0B35CB4_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_EquityComponentDomain" xlink:label="loc_us-gaap_EquityComponentDomain_FBB72FA095D9843A2F1C6FA8E0B35CB4" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_658368FBAF9FFEC1AC716FA8E0B3ACEF" xlink:to="loc_us-gaap_EquityComponentDomain_FBB72FA095D9843A2F1C6FA8E0B35CB4" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock" xlink:label="loc_us-gaap_ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock_4699623F7B60D0977F456FA8E0B30429" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_A072E7BEA25DD5C2E1EF6FA8E0B3AEA2" xlink:to="loc_us-gaap_ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock_4699623F7B60D0977F456FA8E0B30429" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.meadjohnson.com/role/Goodwill" xlink:type="extended" />
  <definitionLink xlink:role="http://www.meadjohnson.com/role/GoodwillDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_GoodwillLineItems" xlink:label="loc_us-gaap_GoodwillLineItems_3B74F0A95712603645C76FA8E0C3324A" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ScheduleOfGoodwillTable" xlink:label="loc_us-gaap_ScheduleOfGoodwillTable_B90F65CBEEC945C3C0836FA8E0C3F09E" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_GoodwillLineItems_3B74F0A95712603645C76FA8E0C3324A" xlink:to="loc_us-gaap_ScheduleOfGoodwillTable_B90F65CBEEC945C3C0836FA8E0C3F09E" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_StatementBusinessSegmentsAxis" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_E09EAD2FF5502F3690006FA8E0C31123" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfGoodwillTable_B90F65CBEEC945C3C0836FA8E0C3F09E" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_E09EAD2FF5502F3690006FA8E0C31123" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_SegmentDomain" xlink:label="loc_us-gaap_SegmentDomain_9DFD5E3107E45769AE716FA8E0C31293_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_E09EAD2FF5502F3690006FA8E0C31123" xlink:to="loc_us-gaap_SegmentDomain_9DFD5E3107E45769AE716FA8E0C31293_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_SegmentDomain" xlink:label="loc_us-gaap_SegmentDomain_9DFD5E3107E45769AE716FA8E0C31293" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_E09EAD2FF5502F3690006FA8E0C31123" xlink:to="loc_us-gaap_SegmentDomain_9DFD5E3107E45769AE716FA8E0C31293" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LatinAmericaMember" xlink:label="loc_us-gaap_LatinAmericaMember_E2B0DE22A93B4FBE5C776FA8E0C3CB62" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_9DFD5E3107E45769AE716FA8E0C31293" xlink:to="loc_us-gaap_LatinAmericaMember_E2B0DE22A93B4FBE5C776FA8E0C3CB62" xlink:type="arc" />
    <loc xlink:href="mjn-20140422.xsd#mjn_NorthAmericaEuropeMember" xlink:label="loc_mjn_NorthAmericaEuropeMember_4D56DEFDA2E4D2829B086FA8E0C3C55B" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_9DFD5E3107E45769AE716FA8E0C31293" xlink:to="loc_mjn_NorthAmericaEuropeMember_4D56DEFDA2E4D2829B086FA8E0C3C55B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AsiaMember" xlink:label="loc_us-gaap_AsiaMember_FC27D17E28D1492C580F6FA8E0C3642C" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_9DFD5E3107E45769AE716FA8E0C31293" xlink:to="loc_us-gaap_AsiaMember_FC27D17E28D1492C580F6FA8E0C3642C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_MaterialReconcilingItemsMember" xlink:label="loc_us-gaap_MaterialReconcilingItemsMember_2FF145CACFCC9B413FC66FA8E0C3311C" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_9DFD5E3107E45769AE716FA8E0C31293" xlink:to="loc_us-gaap_MaterialReconcilingItemsMember_2FF145CACFCC9B413FC66FA8E0C3311C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_Goodwill" xlink:label="loc_us-gaap_Goodwill_4AD82470E3E9ED73D5686FA8E0C39EB1" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_GoodwillLineItems_3B74F0A95712603645C76FA8E0C3324A" xlink:to="loc_us-gaap_Goodwill_4AD82470E3E9ED73D5686FA8E0C39EB1" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_GoodwillAcquiredDuringPeriod" xlink:label="loc_us-gaap_GoodwillAcquiredDuringPeriod_EE814135F98226BDE6776FA8E0C33B9C" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_GoodwillLineItems_3B74F0A95712603645C76FA8E0C3324A" xlink:to="loc_us-gaap_GoodwillAcquiredDuringPeriod_EE814135F98226BDE6776FA8E0C33B9C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_GoodwillOtherChanges" xlink:label="loc_us-gaap_GoodwillOtherChanges_0E5B06F867FE3D5AA3916FA8E0C31E97" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_GoodwillLineItems_3B74F0A95712603645C76FA8E0C3324A" xlink:to="loc_us-gaap_GoodwillOtherChanges_0E5B06F867FE3D5AA3916FA8E0C31E97" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_GoodwillTranslationAdjustments" xlink:label="loc_us-gaap_GoodwillTranslationAdjustments_D7E2D4255CBBDBD42A3F6FA8E0C45AA0" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_GoodwillLineItems_3B74F0A95712603645C76FA8E0C3324A" xlink:to="loc_us-gaap_GoodwillTranslationAdjustments_D7E2D4255CBBDBD42A3F6FA8E0C45AA0" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.meadjohnson.com/role/GoodwillTables" xlink:type="extended" />
  <definitionLink xlink:role="http://www.meadjohnson.com/role/IncomeTaxes" xlink:type="extended" />
  <definitionLink xlink:role="http://www.meadjohnson.com/role/IncomeTaxesDetails" xlink:type="extended" />
  <definitionLink xlink:role="http://www.meadjohnson.com/role/IncomeTaxesDetails2" xlink:type="extended" />
  <definitionLink xlink:role="http://www.meadjohnson.com/role/IncomeTaxesDetails3" xlink:type="extended" />
  <definitionLink xlink:role="http://www.meadjohnson.com/role/IncomeTaxesTables" xlink:type="extended" />
  <definitionLink xlink:role="http://www.meadjohnson.com/role/Inventories" xlink:type="extended" />
  <definitionLink xlink:role="http://www.meadjohnson.com/role/InventoriesDetails" xlink:type="extended" />
  <definitionLink xlink:role="http://www.meadjohnson.com/role/InventoriesTables" xlink:type="extended" />
  <definitionLink xlink:role="http://www.meadjohnson.com/role/Leases" xlink:type="extended" />
  <definitionLink xlink:role="http://www.meadjohnson.com/role/LeasesDetails" xlink:type="extended" />
  <definitionLink xlink:role="http://www.meadjohnson.com/role/LeasesTables" xlink:type="extended" />
  <definitionLink xlink:role="http://www.meadjohnson.com/role/LongLivedAssets" xlink:type="extended" />
  <definitionLink xlink:role="http://www.meadjohnson.com/role/LongLivedAssetsDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PropertyPlantAndEquipmentLineItems" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentLineItems_B8FF5DC83EDB3659208D6FA8E19C2764" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ScheduleOfPropertyPlantAndEquipmentTable" xlink:label="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_5030E5B3A741EEBE3BDA6FA8E19C35BC" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_B8FF5DC83EDB3659208D6FA8E19C2764" xlink:to="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_5030E5B3A741EEBE3BDA6FA8E19C35BC" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PropertyPlantAndEquipmentByTypeAxis" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_29DCA63FB0480DDFFAB46FA8E19CF3D2" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_5030E5B3A741EEBE3BDA6FA8E19C35BC" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_29DCA63FB0480DDFFAB46FA8E19CF3D2" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_0C76ACFDD016F2D3E0D06FA8E19C7F79_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_29DCA63FB0480DDFFAB46FA8E19CF3D2" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_0C76ACFDD016F2D3E0D06FA8E19C7F79_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_0C76ACFDD016F2D3E0D06FA8E19C7F79" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_29DCA63FB0480DDFFAB46FA8E19CF3D2" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_0C76ACFDD016F2D3E0D06FA8E19C7F79" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LandMember" xlink:label="loc_us-gaap_LandMember_97029826771634D3171B6FA8E19C33C6" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_0C76ACFDD016F2D3E0D06FA8E19C7F79" xlink:to="loc_us-gaap_LandMember_97029826771634D3171B6FA8E19C33C6" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_BuildingAndBuildingImprovementsMember" xlink:label="loc_us-gaap_BuildingAndBuildingImprovementsMember_CD2947AA55D19AD858466FA8E19C047D" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_0C76ACFDD016F2D3E0D06FA8E19C7F79" xlink:to="loc_us-gaap_BuildingAndBuildingImprovementsMember_CD2947AA55D19AD858466FA8E19C047D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_MachineryAndEquipmentMember" xlink:label="loc_us-gaap_MachineryAndEquipmentMember_9AA51E2045D9F8A1C1BF6FA8E19CFAC4" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_0C76ACFDD016F2D3E0D06FA8E19C7F79" xlink:to="loc_us-gaap_MachineryAndEquipmentMember_9AA51E2045D9F8A1C1BF6FA8E19CFAC4" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ConstructionInProgressMember" xlink:label="loc_us-gaap_ConstructionInProgressMember_10DB23FCBF68B5BA94266FA8E19C748E" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_0C76ACFDD016F2D3E0D06FA8E19C7F79" xlink:to="loc_us-gaap_ConstructionInProgressMember_10DB23FCBF68B5BA94266FA8E19C748E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PropertyPlantAndEquipmentGross" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentGross_534A8A1567FB63AC3F016FA8E19D47CE" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_B8FF5DC83EDB3659208D6FA8E19C2764" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentGross_534A8A1567FB63AC3F016FA8E19D47CE" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" xlink:label="loc_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_59F4530B7C8CB2AAA1A46FA8E19D9A2E" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_B8FF5DC83EDB3659208D6FA8E19C2764" xlink:to="loc_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_59F4530B7C8CB2AAA1A46FA8E19D9A2E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PropertyPlantAndEquipmentNet" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNet_7797C547BD21054821FB6FA8E19DFE05" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_B8FF5DC83EDB3659208D6FA8E19C2764" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentNet_7797C547BD21054821FB6FA8E19DFE05" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_Depreciation" xlink:label="loc_us-gaap_Depreciation_57CB83B28610B1EB552E6FA8E19DAC71" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_B8FF5DC83EDB3659208D6FA8E19C2764" xlink:to="loc_us-gaap_Depreciation_57CB83B28610B1EB552E6FA8E19DAC71" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_InterestCostsCapitalized" xlink:label="loc_us-gaap_InterestCostsCapitalized_BAC654FAD2C8B50C47C36FA8E19DF7C3" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_B8FF5DC83EDB3659208D6FA8E19C2764" xlink:to="loc_us-gaap_InterestCostsCapitalized_BAC654FAD2C8B50C47C36FA8E19DF7C3" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AssetRetirementObligationsNoncurrent" xlink:label="loc_us-gaap_AssetRetirementObligationsNoncurrent_906CC07F0A30CB556E9F6FA8E19D4804" xlink:type="locator" />
    <definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_B8FF5DC83EDB3659208D6FA8E19C2764" xlink:to="loc_us-gaap_AssetRetirementObligationsNoncurrent_906CC07F0A30CB556E9F6FA8E19D4804" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.meadjohnson.com/role/LongLivedAssetsNonCashActivityDetails" xlink:type="extended" />
  <definitionLink xlink:role="http://www.meadjohnson.com/role/LongLivedAssetsTables" xlink:type="extended" />
  <definitionLink xlink:role="http://www.meadjohnson.com/role/NoncontrollingInterests" xlink:type="extended" />
  <definitionLink xlink:role="http://www.meadjohnson.com/role/NoncontrollingInterestsDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_MinorityInterestLineItems" xlink:label="loc_us-gaap_MinorityInterestLineItems_457805D0C6360B765E6D6FA8E0E1FC50" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_MinorityInterestTable" xlink:label="loc_us-gaap_MinorityInterestTable_E706B47CE6A6C9A5E70D6FA8E0E1EE9C" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_MinorityInterestLineItems_457805D0C6360B765E6D6FA8E0E1FC50" xlink:to="loc_us-gaap_MinorityInterestTable_E706B47CE6A6C9A5E70D6FA8E0E1EE9C" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.sec.gov/dei/2013/dei-2013-01-31.xsd#dei_LegalEntityAxis" xlink:label="loc_dei_LegalEntityAxis_BDFD0951B1E47FACB1896FA8E0E18CD8" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_MinorityInterestTable_E706B47CE6A6C9A5E70D6FA8E0E1EE9C" xlink:to="loc_dei_LegalEntityAxis_BDFD0951B1E47FACB1896FA8E0E18CD8" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/dei/2013/dei-2013-01-31.xsd#dei_EntityDomain" xlink:label="loc_dei_EntityDomain_419F066E3D4E9DABB37B6FA8E0E1B65B_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_dei_LegalEntityAxis_BDFD0951B1E47FACB1896FA8E0E18CD8" xlink:to="loc_dei_EntityDomain_419F066E3D4E9DABB37B6FA8E0E1B65B_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/dei/2013/dei-2013-01-31.xsd#dei_EntityDomain" xlink:label="loc_dei_EntityDomain_419F066E3D4E9DABB37B6FA8E0E1B65B" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_dei_LegalEntityAxis_BDFD0951B1E47FACB1896FA8E0E18CD8" xlink:to="loc_dei_EntityDomain_419F066E3D4E9DABB37B6FA8E0E1B65B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/country/2013/country-2013-01-31.xsd#country_AR" xlink:label="loc_country_AR_D092D3CCE9A3EEDB51A76FA8E0E18914" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_419F066E3D4E9DABB37B6FA8E0E1B65B" xlink:to="loc_country_AR_D092D3CCE9A3EEDB51A76FA8E0E18914" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/country/2013/country-2013-01-31.xsd#country_CN" xlink:label="loc_country_CN_EE339F08010A948E10166FA8E0E18211" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_419F066E3D4E9DABB37B6FA8E0E1B65B" xlink:to="loc_country_CN_EE339F08010A948E10166FA8E0E18211" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/country/2013/country-2013-01-31.xsd#country_ID" xlink:label="loc_country_ID_C9EBDB96C27F232545516FA8E0E171EB" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_419F066E3D4E9DABB37B6FA8E0E1B65B" xlink:to="loc_country_ID_C9EBDB96C27F232545516FA8E0E171EB" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_MinorityInterestOwnershipPercentageByNoncontrollingOwners" xlink:label="loc_us-gaap_MinorityInterestOwnershipPercentageByNoncontrollingOwners_75C0643E01C2D87548A26FA8E0E15458" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MinorityInterestLineItems_457805D0C6360B765E6D6FA8E0E1FC50" xlink:to="loc_us-gaap_MinorityInterestOwnershipPercentageByNoncontrollingOwners_75C0643E01C2D87548A26FA8E0E15458" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.meadjohnson.com/role/Organization" xlink:type="extended" />
  <definitionLink xlink:role="http://www.meadjohnson.com/role/OtherExpensesNet" xlink:type="extended" />
  <definitionLink xlink:role="http://www.meadjohnson.com/role/OtherExpensesNetDetails" xlink:type="extended">
    <loc xlink:href="mjn-20140422.xsd#mjn_ScheduleOfOtherIncomeAndOtherExpenseNetLineItems" xlink:label="loc_mjn_ScheduleOfOtherIncomeAndOtherExpenseNetLineItems_9560D3F51987C48B80843E2306232529" xlink:type="locator" />
    <loc xlink:href="mjn-20140422.xsd#mjn_ScheduleOfOtherIncomeAndOtherExpenseNetTable" xlink:label="loc_mjn_ScheduleOfOtherIncomeAndOtherExpenseNetTable_59B15D21A640B6CE91563E230622D984" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_mjn_ScheduleOfOtherIncomeAndOtherExpenseNetLineItems_9560D3F51987C48B80843E2306232529" xlink:to="loc_mjn_ScheduleOfOtherIncomeAndOtherExpenseNetTable_59B15D21A640B6CE91563E230622D984" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_StatementBusinessSegmentsAxis" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_5EBE5440553208E5066D3E230623079B" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_mjn_ScheduleOfOtherIncomeAndOtherExpenseNetTable_59B15D21A640B6CE91563E230622D984" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_5EBE5440553208E5066D3E230623079B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_SegmentDomain" xlink:label="loc_us-gaap_SegmentDomain_2A0C78656910693A7AA43E2306233D0D_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_5EBE5440553208E5066D3E230623079B" xlink:to="loc_us-gaap_SegmentDomain_2A0C78656910693A7AA43E2306233D0D_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_SegmentDomain" xlink:label="loc_us-gaap_SegmentDomain_2A0C78656910693A7AA43E2306233D0D" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_5EBE5440553208E5066D3E230623079B" xlink:to="loc_us-gaap_SegmentDomain_2A0C78656910693A7AA43E2306233D0D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OperatingSegmentsMember" xlink:label="loc_us-gaap_OperatingSegmentsMember_9444CB41534D339900593E230623F897" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_2A0C78656910693A7AA43E2306233D0D" xlink:to="loc_us-gaap_OperatingSegmentsMember_9444CB41534D339900593E230623F897" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ForeignCurrencyTransactionGainLossBeforeTax" xlink:label="loc_us-gaap_ForeignCurrencyTransactionGainLossBeforeTax_D1C684AC2B9537322E0F3E230623CE05" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_mjn_ScheduleOfOtherIncomeAndOtherExpenseNetLineItems_9560D3F51987C48B80843E2306232529" xlink:to="loc_us-gaap_ForeignCurrencyTransactionGainLossBeforeTax_D1C684AC2B9537322E0F3E230623CE05" xlink:type="arc" />
    <loc xlink:href="mjn-20140422.xsd#mjn_AdministrativepenaltyChina" xlink:label="loc_mjn_AdministrativepenaltyChina_61DD29FBD437283B44CA3E230623F785" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_mjn_ScheduleOfOtherIncomeAndOtherExpenseNetLineItems_9560D3F51987C48B80843E2306232529" xlink:to="loc_mjn_AdministrativepenaltyChina_61DD29FBD437283B44CA3E230623F785" xlink:type="arc" />
    <loc xlink:href="mjn-20140422.xsd#mjn_SeveranceAndOtherCosts" xlink:label="loc_mjn_SeveranceAndOtherCosts_11289BD9D6BDEE34E5A83E2306233715" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_mjn_ScheduleOfOtherIncomeAndOtherExpenseNetLineItems_9560D3F51987C48B80843E2306232529" xlink:to="loc_mjn_SeveranceAndOtherCosts_11289BD9D6BDEE34E5A83E2306233715" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OtherNonoperatingIncome" xlink:label="loc_us-gaap_OtherNonoperatingIncome_728E8E4253D13EDBBA253E230623D4E4" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_mjn_ScheduleOfOtherIncomeAndOtherExpenseNetLineItems_9560D3F51987C48B80843E2306232529" xlink:to="loc_us-gaap_OtherNonoperatingIncome_728E8E4253D13EDBBA253E230623D4E4" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LegalFees" xlink:label="loc_us-gaap_LegalFees_465980CF3FD5DFE5886F3E23062377C2" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_mjn_ScheduleOfOtherIncomeAndOtherExpenseNetLineItems_9560D3F51987C48B80843E2306232529" xlink:to="loc_us-gaap_LegalFees_465980CF3FD5DFE5886F3E23062377C2" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OtherNonoperatingIncomeExpense" xlink:label="loc_us-gaap_OtherNonoperatingIncomeExpense_124AFD5EB9A62C61FA7A3E230623BA8E" xlink:type="locator" />
    <definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_mjn_ScheduleOfOtherIncomeAndOtherExpenseNetLineItems_9560D3F51987C48B80843E2306232529" xlink:to="loc_us-gaap_OtherNonoperatingIncomeExpense_124AFD5EB9A62C61FA7A3E230623BA8E" xlink:type="arc" />
    <loc xlink:href="mjn-20140422.xsd#mjn_OtherExpensesIncomeNet" xlink:label="loc_mjn_OtherExpensesIncomeNet_1C03BAE71F8C869D03CC3E23062358F3" xlink:type="locator" />
    <definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_mjn_ScheduleOfOtherIncomeAndOtherExpenseNetLineItems_9560D3F51987C48B80843E2306232529" xlink:to="loc_mjn_OtherExpensesIncomeNet_1C03BAE71F8C869D03CC3E23062358F3" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.meadjohnson.com/role/OtherExpensesNetTables" xlink:type="extended" />
  <definitionLink xlink:role="http://www.meadjohnson.com/role/OtherIntangibleAssetsDetails" xlink:type="extended">
    <loc xlink:href="mjn-20140422.xsd#mjn_FiniteLivedAndIndefiniteLivedIntangibleAssetsByMajorClassLineItems" xlink:label="loc_mjn_FiniteLivedAndIndefiniteLivedIntangibleAssetsByMajorClassLineItems_3B59A7A9AD44C946DAEA6FA8E150F57E" xlink:type="locator" />
    <loc xlink:href="mjn-20140422.xsd#mjn_FiniteLivedAndIndefiniteLivedIntangibleAssetsByMajorClassTable" xlink:label="loc_mjn_FiniteLivedAndIndefiniteLivedIntangibleAssetsByMajorClassTable_99D9A82C33D278F131D16FA8E14FEC1B" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_mjn_FiniteLivedAndIndefiniteLivedIntangibleAssetsByMajorClassLineItems_3B59A7A9AD44C946DAEA6FA8E150F57E" xlink:to="loc_mjn_FiniteLivedAndIndefiniteLivedIntangibleAssetsByMajorClassTable_99D9A82C33D278F131D16FA8E14FEC1B" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis" xlink:label="loc_us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis_39921AFA4667DE8D2A116FA8E150E89A" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_mjn_FiniteLivedAndIndefiniteLivedIntangibleAssetsByMajorClassTable_99D9A82C33D278F131D16FA8E14FEC1B" xlink:to="loc_us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis_39921AFA4667DE8D2A116FA8E150E89A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:label="loc_us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain_CA61248BF482FB5B5F7C6FA8E150EE58_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis_39921AFA4667DE8D2A116FA8E150E89A" xlink:to="loc_us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain_CA61248BF482FB5B5F7C6FA8E150EE58_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:label="loc_us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain_CA61248BF482FB5B5F7C6FA8E150EE58" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis_39921AFA4667DE8D2A116FA8E150E89A" xlink:to="loc_us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain_CA61248BF482FB5B5F7C6FA8E150EE58" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_TrademarksMember" xlink:label="loc_us-gaap_TrademarksMember_3D72A441EF0C9F36697F6FA8E1501970" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain_CA61248BF482FB5B5F7C6FA8E150EE58" xlink:to="loc_us-gaap_TrademarksMember_3D72A441EF0C9F36697F6FA8E1501970" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_NoncompeteAgreementsMember" xlink:label="loc_us-gaap_NoncompeteAgreementsMember_408A0FE8DD863B22CC066FA8E150C376" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain_CA61248BF482FB5B5F7C6FA8E150EE58" xlink:to="loc_us-gaap_NoncompeteAgreementsMember_408A0FE8DD863B22CC066FA8E150C376" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_0BE9333F226828C615066FA8E150583F" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_mjn_FiniteLivedAndIndefiniteLivedIntangibleAssetsByMajorClassTable_99D9A82C33D278F131D16FA8E14FEC1B" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_0BE9333F226828C615066FA8E150583F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_68E909E3E7A019FCC5A06FA8E1506E40_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_0BE9333F226828C615066FA8E150583F" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_68E909E3E7A019FCC5A06FA8E1506E40_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_68E909E3E7A019FCC5A06FA8E1506E40" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_0BE9333F226828C615066FA8E150583F" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_68E909E3E7A019FCC5A06FA8E1506E40" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ComputerSoftwareIntangibleAssetMember" xlink:label="loc_us-gaap_ComputerSoftwareIntangibleAssetMember_A222C13EC4EC8E556FC76FA8E1501970" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_68E909E3E7A019FCC5A06FA8E1506E40" xlink:to="loc_us-gaap_ComputerSoftwareIntangibleAssetMember_A222C13EC4EC8E556FC76FA8E1501970" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CustomerRelationshipsMember" xlink:label="loc_us-gaap_CustomerRelationshipsMember_96BD231EA290BBCE27206FA8E150CD0D" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_68E909E3E7A019FCC5A06FA8E1506E40" xlink:to="loc_us-gaap_CustomerRelationshipsMember_96BD231EA290BBCE27206FA8E150CD0D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill" xlink:label="loc_us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill_B1C92969C1A23505EBDE6FA8E1506C60" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_mjn_FiniteLivedAndIndefiniteLivedIntangibleAssetsByMajorClassLineItems_3B59A7A9AD44C946DAEA6FA8E150F57E" xlink:to="loc_us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill_B1C92969C1A23505EBDE6FA8E1506C60" xlink:type="arc" />
    <loc xlink:href="mjn-20140422.xsd#mjn_Indefinitelivedintangibleassetszeroamortization" xlink:label="loc_mjn_Indefinitelivedintangibleassetszeroamortization_29A039A9ADC5150F0F5B6FA8E1509C65" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_mjn_FiniteLivedAndIndefiniteLivedIntangibleAssetsByMajorClassLineItems_3B59A7A9AD44C946DAEA6FA8E150F57E" xlink:to="loc_mjn_Indefinitelivedintangibleassetszeroamortization_29A039A9ADC5150F0F5B6FA8E1509C65" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsNetAbstract" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsNetAbstract_A53203DF1B56EEF04CFE6FA8E1505B79" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_mjn_FiniteLivedAndIndefiniteLivedIntangibleAssetsByMajorClassLineItems_3B59A7A9AD44C946DAEA6FA8E150F57E" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsNetAbstract_A53203DF1B56EEF04CFE6FA8E1505B79" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsGross" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsGross_3811C2C2731C279480D16FA8E1502096" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNetAbstract_A53203DF1B56EEF04CFE6FA8E1505B79" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsGross_3811C2C2731C279480D16FA8E1502096" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_D65048A4E338159625666FA8E150F65F" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNetAbstract_A53203DF1B56EEF04CFE6FA8E1505B79" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_D65048A4E338159625666FA8E150F65F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsNet" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsNet_627DF8AD7BC1B04759BD6FA8E151CE83" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNetAbstract_A53203DF1B56EEF04CFE6FA8E1505B79" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsNet_627DF8AD7BC1B04759BD6FA8E151CE83" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_IntangibleAssetsGrossExcludingGoodwill" xlink:label="loc_us-gaap_IntangibleAssetsGrossExcludingGoodwill_E142102433B43CBD651B6FA8E151D227" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNetAbstract_A53203DF1B56EEF04CFE6FA8E1505B79" xlink:to="loc_us-gaap_IntangibleAssetsGrossExcludingGoodwill_E142102433B43CBD651B6FA8E151D227" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_IntangibleAssetsNetExcludingGoodwill" xlink:label="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_E80F6AFDDF28504763B86FA8E151FEAE" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNetAbstract_A53203DF1B56EEF04CFE6FA8E1505B79" xlink:to="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_E80F6AFDDF28504763B86FA8E151FEAE" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AmortizationOfIntangibleAssets" xlink:label="loc_us-gaap_AmortizationOfIntangibleAssets_8BD55531466E277D964E6FA8E1515BE4" xlink:type="locator" />
    <definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNetAbstract_A53203DF1B56EEF04CFE6FA8E1505B79" xlink:to="loc_us-gaap_AmortizationOfIntangibleAssets_8BD55531466E277D964E6FA8E1515BE4" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.meadjohnson.com/role/PensionAndOtherPostEmploymentBenefitPlans" xlink:type="extended" />
  <definitionLink xlink:role="http://www.meadjohnson.com/role/PensionAndOtherPostEmploymentBenefitPlansDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DefinedBenefitPlanDisclosureLineItems" xlink:label="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_3825CF1743DE370ADF6890A65C263EE5" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable" xlink:label="loc_us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable_1008F256749DB0C2BD7F90A65C24AFD6" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_3825CF1743DE370ADF6890A65C263EE5" xlink:to="loc_us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable_1008F256749DB0C2BD7F90A65C24AFD6" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis" xlink:label="loc_us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis_68EDCEAD4C09F51DEFDE90A65C246BBD" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable_1008F256749DB0C2BD7F90A65C24AFD6" xlink:to="loc_us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis_68EDCEAD4C09F51DEFDE90A65C246BBD" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DefinedBenefitPlansDomain" xlink:label="loc_us-gaap_DefinedBenefitPlansDomain_F92700091926D12E9AD390A65C2480DC_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis_68EDCEAD4C09F51DEFDE90A65C246BBD" xlink:to="loc_us-gaap_DefinedBenefitPlansDomain_F92700091926D12E9AD390A65C2480DC_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DefinedBenefitPlansDomain" xlink:label="loc_us-gaap_DefinedBenefitPlansDomain_F92700091926D12E9AD390A65C2480DC" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis_68EDCEAD4C09F51DEFDE90A65C246BBD" xlink:to="loc_us-gaap_DefinedBenefitPlansDomain_F92700091926D12E9AD390A65C2480DC" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PensionPlansDefinedBenefitMember" xlink:label="loc_us-gaap_PensionPlansDefinedBenefitMember_B88EAD008708751BBC4D90A65C240971" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlansDomain_F92700091926D12E9AD390A65C2480DC" xlink:to="loc_us-gaap_PensionPlansDefinedBenefitMember_B88EAD008708751BBC4D90A65C240971" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" xlink:label="loc_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember_BF7A8B31AE44376108A690A65C24155A" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlansDomain_F92700091926D12E9AD390A65C2480DC" xlink:to="loc_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember_BF7A8B31AE44376108A690A65C24155A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_UnitedStatesPensionPlansOfUSEntityDefinedBenefitMember" xlink:label="loc_us-gaap_UnitedStatesPensionPlansOfUSEntityDefinedBenefitMember_6680B00D12088E56373690A65C245E70" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlansDomain_F92700091926D12E9AD390A65C2480DC" xlink:to="loc_us-gaap_UnitedStatesPensionPlansOfUSEntityDefinedBenefitMember_6680B00D12088E56373690A65C245E70" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_FairValueInputsLevel1Member" xlink:label="loc_us-gaap_FairValueInputsLevel1Member_7CDDB1F96823069C6C1990A65C24413D" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlansDomain_F92700091926D12E9AD390A65C2480DC" xlink:to="loc_us-gaap_FairValueInputsLevel1Member_7CDDB1F96823069C6C1990A65C24413D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_FairValueInputsLevel2Member" xlink:label="loc_us-gaap_FairValueInputsLevel2Member_BF545A6DAB4CFE789D7C90A65C24A0A4" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlansDomain_F92700091926D12E9AD390A65C2480DC" xlink:to="loc_us-gaap_FairValueInputsLevel2Member_BF545A6DAB4CFE789D7C90A65C24A0A4" xlink:type="arc" />
    <loc xlink:href="mjn-20140422.xsd#mjn_UsGaapDefinedBenefitPlanAssetCategoriesAxis" xlink:label="loc_mjn_UsGaapDefinedBenefitPlanAssetCategoriesAxis_073C03891DF8F5B8D3FA90A65C2467A9" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable_1008F256749DB0C2BD7F90A65C24AFD6" xlink:to="loc_mjn_UsGaapDefinedBenefitPlanAssetCategoriesAxis_073C03891DF8F5B8D3FA90A65C2467A9" xlink:type="arc" />
    <loc xlink:href="mjn-20140422.xsd#mjn_UsGaapDefinedBenefitPlanAssetCategoriesDomain" xlink:label="loc_mjn_UsGaapDefinedBenefitPlanAssetCategoriesDomain_FC947640FDFDB63A0CC990A65C256E4B_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_mjn_UsGaapDefinedBenefitPlanAssetCategoriesAxis_073C03891DF8F5B8D3FA90A65C2467A9" xlink:to="loc_mjn_UsGaapDefinedBenefitPlanAssetCategoriesDomain_FC947640FDFDB63A0CC990A65C256E4B_default" xlink:type="arc" />
    <loc xlink:href="mjn-20140422.xsd#mjn_UsGaapDefinedBenefitPlanAssetCategoriesDomain" xlink:label="loc_mjn_UsGaapDefinedBenefitPlanAssetCategoriesDomain_FC947640FDFDB63A0CC990A65C256E4B" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_mjn_UsGaapDefinedBenefitPlanAssetCategoriesAxis_073C03891DF8F5B8D3FA90A65C2467A9" xlink:to="loc_mjn_UsGaapDefinedBenefitPlanAssetCategoriesDomain_FC947640FDFDB63A0CC990A65C256E4B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CashAndCashEquivalentsMember" xlink:label="loc_us-gaap_CashAndCashEquivalentsMember_93BB51D6F4E7518D29C190A65C251044" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_mjn_UsGaapDefinedBenefitPlanAssetCategoriesDomain_FC947640FDFDB63A0CC990A65C256E4B" xlink:to="loc_us-gaap_CashAndCashEquivalentsMember_93BB51D6F4E7518D29C190A65C251044" xlink:type="arc" />
    <loc xlink:href="mjn-20140422.xsd#mjn_UslargecapequitysecuritiesMember" xlink:label="loc_mjn_UslargecapequitysecuritiesMember_8EC8A7F39852DAE7BAD890A65C255757" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_mjn_UsGaapDefinedBenefitPlanAssetCategoriesDomain_FC947640FDFDB63A0CC990A65C256E4B" xlink:to="loc_mjn_UslargecapequitysecuritiesMember_8EC8A7F39852DAE7BAD890A65C255757" xlink:type="arc" />
    <loc xlink:href="mjn-20140422.xsd#mjn_UsmidcapgrowthequitysecuritiesMember" xlink:label="loc_mjn_UsmidcapgrowthequitysecuritiesMember_A384C282946DAFBA8B8C90A65C25FB43" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_mjn_UsGaapDefinedBenefitPlanAssetCategoriesDomain_FC947640FDFDB63A0CC990A65C256E4B" xlink:to="loc_mjn_UsmidcapgrowthequitysecuritiesMember_A384C282946DAFBA8B8C90A65C25FB43" xlink:type="arc" />
    <loc xlink:href="mjn-20140422.xsd#mjn_UssmallcapgrowthequitysecuritiesMember" xlink:label="loc_mjn_UssmallcapgrowthequitysecuritiesMember_29535EF9B814E8B6A70E90A65C25F8B4" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_mjn_UsGaapDefinedBenefitPlanAssetCategoriesDomain_FC947640FDFDB63A0CC990A65C256E4B" xlink:to="loc_mjn_UssmallcapgrowthequitysecuritiesMember_29535EF9B814E8B6A70E90A65C25F8B4" xlink:type="arc" />
    <loc xlink:href="mjn-20140422.xsd#mjn_EmergingmarketequitysecuritiesMember" xlink:label="loc_mjn_EmergingmarketequitysecuritiesMember_92BE1168F6CBBEB99FAD90A65C250947" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_mjn_UsGaapDefinedBenefitPlanAssetCategoriesDomain_FC947640FDFDB63A0CC990A65C256E4B" xlink:to="loc_mjn_EmergingmarketequitysecuritiesMember_92BE1168F6CBBEB99FAD90A65C250947" xlink:type="arc" />
    <loc xlink:href="mjn-20140422.xsd#mjn_RealestateinvestmenttrustsMember" xlink:label="loc_mjn_RealestateinvestmenttrustsMember_58D1E218947CF2ADC2A290A65C258E8D" xlink:type="locator" />
    <definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_mjn_UsGaapDefinedBenefitPlanAssetCategoriesDomain_FC947640FDFDB63A0CC990A65C256E4B" xlink:to="loc_mjn_RealestateinvestmenttrustsMember_58D1E218947CF2ADC2A290A65C258E8D" xlink:type="arc" />
    <loc xlink:href="mjn-20140422.xsd#mjn_InternationallargecapvalueequitysecuritiesMember" xlink:label="loc_mjn_InternationallargecapvalueequitysecuritiesMember_5CC3960149D28CB63EAA90A65C25F564" xlink:type="locator" />
    <definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_mjn_UsGaapDefinedBenefitPlanAssetCategoriesDomain_FC947640FDFDB63A0CC990A65C256E4B" xlink:to="loc_mjn_InternationallargecapvalueequitysecuritiesMember_5CC3960149D28CB63EAA90A65C25F564" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_HedgeFundsMember" xlink:label="loc_us-gaap_HedgeFundsMember_17E97F4B2EC277D5BD6290A65C255CE9" xlink:type="locator" />
    <definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_mjn_UsGaapDefinedBenefitPlanAssetCategoriesDomain_FC947640FDFDB63A0CC990A65C256E4B" xlink:to="loc_us-gaap_HedgeFundsMember_17E97F4B2EC277D5BD6290A65C255CE9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_MunicipalBondsMember" xlink:label="loc_us-gaap_MunicipalBondsMember_385DF0324605870A20C790A65C25F0BA" xlink:type="locator" />
    <definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_mjn_UsGaapDefinedBenefitPlanAssetCategoriesDomain_FC947640FDFDB63A0CC990A65C256E4B" xlink:to="loc_us-gaap_MunicipalBondsMember_385DF0324605870A20C790A65C25F0BA" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CorporateBondSecuritiesMember" xlink:label="loc_us-gaap_CorporateBondSecuritiesMember_A52AB8887706E7AE9BE090A65C25A14E" xlink:type="locator" />
    <definitionArc order="10" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_mjn_UsGaapDefinedBenefitPlanAssetCategoriesDomain_FC947640FDFDB63A0CC990A65C256E4B" xlink:to="loc_us-gaap_CorporateBondSecuritiesMember_A52AB8887706E7AE9BE090A65C25A14E" xlink:type="arc" />
    <loc xlink:href="mjn-20140422.xsd#mjn_EmergingmarketsFixedIncomeDomain" xlink:label="loc_mjn_EmergingmarketsFixedIncomeDomain_A7F386B769020F297CCF90A65C2554CA" xlink:type="locator" />
    <definitionArc order="11" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_mjn_UsGaapDefinedBenefitPlanAssetCategoriesDomain_FC947640FDFDB63A0CC990A65C256E4B" xlink:to="loc_mjn_EmergingmarketsFixedIncomeDomain_A7F386B769020F297CCF90A65C2554CA" xlink:type="arc" />
    <loc xlink:href="mjn-20140422.xsd#mjn_UsGaapDefinedBenefitPlanTargetAllocationPercentageOfAssetsEquityOrDebtSecuritiesAxis" xlink:label="loc_mjn_UsGaapDefinedBenefitPlanTargetAllocationPercentageOfAssetsEquityOrDebtSecuritiesAxis_39EAC0903C782A43769590A65C25E50F" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable_1008F256749DB0C2BD7F90A65C24AFD6" xlink:to="loc_mjn_UsGaapDefinedBenefitPlanTargetAllocationPercentageOfAssetsEquityOrDebtSecuritiesAxis_39EAC0903C782A43769590A65C25E50F" xlink:type="arc" />
    <loc xlink:href="mjn-20140422.xsd#mjn_DefinedBenefitPlanTargetAllocationPercentageOfAssetsEquityOrDebtSecuritiesDomain" xlink:label="loc_mjn_DefinedBenefitPlanTargetAllocationPercentageOfAssetsEquityOrDebtSecuritiesDomain_8C0E3DCF56635499D73D90A65C26DCBC_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_mjn_UsGaapDefinedBenefitPlanTargetAllocationPercentageOfAssetsEquityOrDebtSecuritiesAxis_39EAC0903C782A43769590A65C25E50F" xlink:to="loc_mjn_DefinedBenefitPlanTargetAllocationPercentageOfAssetsEquityOrDebtSecuritiesDomain_8C0E3DCF56635499D73D90A65C26DCBC_default" xlink:type="arc" />
    <loc xlink:href="mjn-20140422.xsd#mjn_DefinedBenefitPlanTargetAllocationPercentageOfAssetsEquityOrDebtSecuritiesDomain" xlink:label="loc_mjn_DefinedBenefitPlanTargetAllocationPercentageOfAssetsEquityOrDebtSecuritiesDomain_8C0E3DCF56635499D73D90A65C26DCBC" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_mjn_UsGaapDefinedBenefitPlanTargetAllocationPercentageOfAssetsEquityOrDebtSecuritiesAxis_39EAC0903C782A43769590A65C25E50F" xlink:to="loc_mjn_DefinedBenefitPlanTargetAllocationPercentageOfAssetsEquityOrDebtSecuritiesDomain_8C0E3DCF56635499D73D90A65C26DCBC" xlink:type="arc" />
    <loc xlink:href="mjn-20140422.xsd#mjn_UsGaapEquitySecuritiesMember" xlink:label="loc_mjn_UsGaapEquitySecuritiesMember_818F9AD9FEB21C63D2F090A65C2699EE" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_mjn_DefinedBenefitPlanTargetAllocationPercentageOfAssetsEquityOrDebtSecuritiesDomain_8C0E3DCF56635499D73D90A65C26DCBC" xlink:to="loc_mjn_UsGaapEquitySecuritiesMember_818F9AD9FEB21C63D2F090A65C2699EE" xlink:type="arc" />
    <loc xlink:href="mjn-20140422.xsd#mjn_UsGaapDebtSecuritiesMember" xlink:label="loc_mjn_UsGaapDebtSecuritiesMember_9763EC866306A4CFFB2190A65C26DC20" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_mjn_DefinedBenefitPlanTargetAllocationPercentageOfAssetsEquityOrDebtSecuritiesDomain_8C0E3DCF56635499D73D90A65C26DCBC" xlink:to="loc_mjn_UsGaapDebtSecuritiesMember_9763EC866306A4CFFB2190A65C26DC20" xlink:type="arc" />
    <loc xlink:href="mjn-20140422.xsd#mjn_DefinedBenefitPlanPercentageInPensionAssetsAndObligations" xlink:label="loc_mjn_DefinedBenefitPlanPercentageInPensionAssetsAndObligations_C076908CC09DD192B33B90A65C2668E8" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_3825CF1743DE370ADF6890A65C263EE5" xlink:to="loc_mjn_DefinedBenefitPlanPercentageInPensionAssetsAndObligations_C076908CC09DD192B33B90A65C2668E8" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DefinedBenefitPlanChangeInBenefitObligationRollForward" xlink:label="loc_us-gaap_DefinedBenefitPlanChangeInBenefitObligationRollForward_7659D0B922BFB755FB9890A65C261280" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_3825CF1743DE370ADF6890A65C263EE5" xlink:to="loc_us-gaap_DefinedBenefitPlanChangeInBenefitObligationRollForward_7659D0B922BFB755FB9890A65C261280" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DefinedBenefitPlanBenefitObligation" xlink:label="loc_us-gaap_DefinedBenefitPlanBenefitObligation_181D7190B6C890125DFC90A65C268651" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanChangeInBenefitObligationRollForward_7659D0B922BFB755FB9890A65C261280" xlink:to="loc_us-gaap_DefinedBenefitPlanBenefitObligation_181D7190B6C890125DFC90A65C268651" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DefinedBenefitPlanServiceCost" xlink:label="loc_us-gaap_DefinedBenefitPlanServiceCost_AACCEDBA5A62BF41710390A65C26BC42" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanChangeInBenefitObligationRollForward_7659D0B922BFB755FB9890A65C261280" xlink:to="loc_us-gaap_DefinedBenefitPlanServiceCost_AACCEDBA5A62BF41710390A65C26BC42" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DefinedBenefitPlanInterestCost" xlink:label="loc_us-gaap_DefinedBenefitPlanInterestCost_C77EF4C7EB6FC78874D690A65C267DFA" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanChangeInBenefitObligationRollForward_7659D0B922BFB755FB9890A65C261280" xlink:to="loc_us-gaap_DefinedBenefitPlanInterestCost_C77EF4C7EB6FC78874D690A65C267DFA" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DefinedBenefitPlanActuarialGainLoss" xlink:label="loc_us-gaap_DefinedBenefitPlanActuarialGainLoss_6985DFAB1E39412D41A990A65C2662FB" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanChangeInBenefitObligationRollForward_7659D0B922BFB755FB9890A65C261280" xlink:to="loc_us-gaap_DefinedBenefitPlanActuarialGainLoss_6985DFAB1E39412D41A990A65C2662FB" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DefinedBenefitPlanSettlementsBenefitObligation" xlink:label="loc_us-gaap_DefinedBenefitPlanSettlementsBenefitObligation_13546400984D0297EBEB90A65C26086D" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanChangeInBenefitObligationRollForward_7659D0B922BFB755FB9890A65C261280" xlink:to="loc_us-gaap_DefinedBenefitPlanSettlementsBenefitObligation_13546400984D0297EBEB90A65C26086D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DefinedBenefitPlanBenefitsPaid" xlink:label="loc_us-gaap_DefinedBenefitPlanBenefitsPaid_699844E158A1393D6E3290A65C268FF5" xlink:type="locator" />
    <definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanChangeInBenefitObligationRollForward_7659D0B922BFB755FB9890A65C261280" xlink:to="loc_us-gaap_DefinedBenefitPlanBenefitsPaid_699844E158A1393D6E3290A65C268FF5" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DefinedBenefitPlanForeignCurrencyExchangeRateChangesBenefitObligation" xlink:label="loc_us-gaap_DefinedBenefitPlanForeignCurrencyExchangeRateChangesBenefitObligation_AA31684F21051D2DD4F690A65C278416" xlink:type="locator" />
    <definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanChangeInBenefitObligationRollForward_7659D0B922BFB755FB9890A65C261280" xlink:to="loc_us-gaap_DefinedBenefitPlanForeignCurrencyExchangeRateChangesBenefitObligation_AA31684F21051D2DD4F690A65C278416" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DefinedBenefitPlanChangeInFairValueOfPlanAssetsRollForward" xlink:label="loc_us-gaap_DefinedBenefitPlanChangeInFairValueOfPlanAssetsRollForward_913DF8F6EB48D419AB2390A65C27F784" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_3825CF1743DE370ADF6890A65C263EE5" xlink:to="loc_us-gaap_DefinedBenefitPlanChangeInFairValueOfPlanAssetsRollForward_913DF8F6EB48D419AB2390A65C27F784" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DefinedBenefitPlanFairValueOfPlanAssets" xlink:label="loc_us-gaap_DefinedBenefitPlanFairValueOfPlanAssets_1047BC70343748CB682290A65C272840" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanChangeInFairValueOfPlanAssetsRollForward_913DF8F6EB48D419AB2390A65C27F784" xlink:to="loc_us-gaap_DefinedBenefitPlanFairValueOfPlanAssets_1047BC70343748CB682290A65C272840" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DefinedBenefitPlanActualReturnOnPlanAssets" xlink:label="loc_us-gaap_DefinedBenefitPlanActualReturnOnPlanAssets_DDD641141A64A78A910790A65C27CF84" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanChangeInFairValueOfPlanAssetsRollForward_913DF8F6EB48D419AB2390A65C27F784" xlink:to="loc_us-gaap_DefinedBenefitPlanActualReturnOnPlanAssets_DDD641141A64A78A910790A65C27CF84" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DefinedBenefitPlanContributionsByEmployer" xlink:label="loc_us-gaap_DefinedBenefitPlanContributionsByEmployer_D9A82CB2F2C96D2349E390A65C27855B" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanChangeInFairValueOfPlanAssetsRollForward_913DF8F6EB48D419AB2390A65C27F784" xlink:to="loc_us-gaap_DefinedBenefitPlanContributionsByEmployer_D9A82CB2F2C96D2349E390A65C27855B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DefinedBenefitPlanSettlementsPlanAssets" xlink:label="loc_us-gaap_DefinedBenefitPlanSettlementsPlanAssets_C58AB1378C1DFE78D9A490A65C2715CC" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanChangeInFairValueOfPlanAssetsRollForward_913DF8F6EB48D419AB2390A65C27F784" xlink:to="loc_us-gaap_DefinedBenefitPlanSettlementsPlanAssets_C58AB1378C1DFE78D9A490A65C2715CC" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DefinedBenefitPlanForeignCurrencyExchangeRateChangesPlanAssets" xlink:label="loc_us-gaap_DefinedBenefitPlanForeignCurrencyExchangeRateChangesPlanAssets_0F55382A49BF9D6DCD8A90A65C27D42B" xlink:type="locator" />
    <definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanChangeInFairValueOfPlanAssetsRollForward_913DF8F6EB48D419AB2390A65C27F784" xlink:to="loc_us-gaap_DefinedBenefitPlanForeignCurrencyExchangeRateChangesPlanAssets_0F55382A49BF9D6DCD8A90A65C27D42B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DefinedBenefitPlanFundedStatusOfPlan" xlink:label="loc_us-gaap_DefinedBenefitPlanFundedStatusOfPlan_68F9325516F1550E8CCB90A65C270140" xlink:type="locator" />
    <definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanChangeInFairValueOfPlanAssetsRollForward_913DF8F6EB48D419AB2390A65C27F784" xlink:to="loc_us-gaap_DefinedBenefitPlanFundedStatusOfPlan_68F9325516F1550E8CCB90A65C270140" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DefinedBenefitPlanAmountsRecognizedInBalanceSheetAbstract" xlink:label="loc_us-gaap_DefinedBenefitPlanAmountsRecognizedInBalanceSheetAbstract_85840A2613708815EF6690A65C278A57" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_3825CF1743DE370ADF6890A65C263EE5" xlink:to="loc_us-gaap_DefinedBenefitPlanAmountsRecognizedInBalanceSheetAbstract_85840A2613708815EF6690A65C278A57" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent" xlink:label="loc_us-gaap_DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent_6E1AE0D63CD074BC718D90A65C270C28" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanAmountsRecognizedInBalanceSheetAbstract_85840A2613708815EF6690A65C278A57" xlink:to="loc_us-gaap_DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent_6E1AE0D63CD074BC718D90A65C270C28" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent" xlink:label="loc_us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent_4BD9FA54484437F5B1DC90A65C285A79" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanAmountsRecognizedInBalanceSheetAbstract_85840A2613708815EF6690A65C278A57" xlink:to="loc_us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent_4BD9FA54484437F5B1DC90A65C285A79" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DefinedBenefitPlanAmountsRecognizedInBalanceSheet" xlink:label="loc_us-gaap_DefinedBenefitPlanAmountsRecognizedInBalanceSheet_70ED3CF9A4B2A20E583C90A65C2872BC" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanAmountsRecognizedInBalanceSheetAbstract_85840A2613708815EF6690A65C278A57" xlink:to="loc_us-gaap_DefinedBenefitPlanAmountsRecognizedInBalanceSheet_70ED3CF9A4B2A20E583C90A65C2872BC" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTaxAbstract" xlink:label="loc_us-gaap_DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTaxAbstract_48E15C6A56E46CD2E2C790A65C289687" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_3825CF1743DE370ADF6890A65C263EE5" xlink:to="loc_us-gaap_DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTaxAbstract_48E15C6A56E46CD2E2C790A65C289687" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetPriorServiceCostCreditBeforeTax" xlink:label="loc_us-gaap_DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetPriorServiceCostCreditBeforeTax_C0C7E30E56F1B6EDA43F90A65C2820F0" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTaxAbstract_48E15C6A56E46CD2E2C790A65C289687" xlink:to="loc_us-gaap_DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetPriorServiceCostCreditBeforeTax_C0C7E30E56F1B6EDA43F90A65C2820F0" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetTransitionAssetsObligationsBeforeTax" xlink:label="loc_us-gaap_DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetTransitionAssetsObligationsBeforeTax_B0C330F8A5FBB915015390A65C28770C" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTaxAbstract_48E15C6A56E46CD2E2C790A65C289687" xlink:to="loc_us-gaap_DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetTransitionAssetsObligationsBeforeTax_B0C330F8A5FBB915015390A65C28770C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax" xlink:label="loc_us-gaap_DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax_100559A407E2A2A6DF7390A65C28FAB8" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTaxAbstract_48E15C6A56E46CD2E2C790A65C289687" xlink:to="loc_us-gaap_DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax_100559A407E2A2A6DF7390A65C28FAB8" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DefinedBenefitPlanAccumulatedBenefitObligation" xlink:label="loc_us-gaap_DefinedBenefitPlanAccumulatedBenefitObligation_3975389E3435E435493390A65C28C03E" xlink:type="locator" />
    <definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_3825CF1743DE370ADF6890A65C263EE5" xlink:to="loc_us-gaap_DefinedBenefitPlanAccumulatedBenefitObligation_3975389E3435E435493390A65C28C03E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAbstract" xlink:label="loc_us-gaap_DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAbstract_A4E062C2200785B7AD3790A65C288BFB" xlink:type="locator" />
    <definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_3825CF1743DE370ADF6890A65C263EE5" xlink:to="loc_us-gaap_DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAbstract_A4E062C2200785B7AD3790A65C288BFB" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateProjectedBenefitObligation" xlink:label="loc_us-gaap_DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateProjectedBenefitObligation_F8225D9282702670F17B90A65C281CDC" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAbstract_A4E062C2200785B7AD3790A65C288BFB" xlink:to="loc_us-gaap_DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateProjectedBenefitObligation_F8225D9282702670F17B90A65C281CDC" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateAccumulatedBenefitObligation" xlink:label="loc_us-gaap_DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateAccumulatedBenefitObligation_105717E66D351E9C288490A65C28E3F0" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAbstract_A4E062C2200785B7AD3790A65C288BFB" xlink:to="loc_us-gaap_DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateAccumulatedBenefitObligation_105717E66D351E9C288490A65C28E3F0" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateFairValueOfPlanAssets" xlink:label="loc_us-gaap_DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateFairValueOfPlanAssets_0A075EC4C1546582C98990A65C28E453" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAbstract_A4E062C2200785B7AD3790A65C288BFB" xlink:to="loc_us-gaap_DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateFairValueOfPlanAssets_0A075EC4C1546582C98990A65C28E453" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets" xlink:label="loc_us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets_8AF075702114DB15C19690A65C2999BE" xlink:type="locator" />
    <definitionArc order="10" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_3825CF1743DE370ADF6890A65C263EE5" xlink:to="loc_us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets_8AF075702114DB15C19690A65C2999BE" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit" xlink:label="loc_us-gaap_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit_D961FBCFA5A43041562B90A65C29ED19" xlink:type="locator" />
    <definitionArc order="11" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_3825CF1743DE370ADF6890A65C263EE5" xlink:to="loc_us-gaap_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit_D961FBCFA5A43041562B90A65C29ED19" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DefinedBenefitPlanAmortizationOfTransitionObligationsAssets" xlink:label="loc_us-gaap_DefinedBenefitPlanAmortizationOfTransitionObligationsAssets_1198592C705317421D8D90A65C29B0B5" xlink:type="locator" />
    <definitionArc order="12" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_3825CF1743DE370ADF6890A65C263EE5" xlink:to="loc_us-gaap_DefinedBenefitPlanAmortizationOfTransitionObligationsAssets_1198592C705317421D8D90A65C29B0B5" xlink:type="arc" />
    <loc xlink:href="mjn-20140422.xsd#mjn_DefinedBenefitPlanNetPeriodicBenefitCostExcludingSettlements" xlink:label="loc_mjn_DefinedBenefitPlanNetPeriodicBenefitCostExcludingSettlements_BEA6E4C4659917D5803590A65C29A46B" xlink:type="locator" />
    <definitionArc order="13" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_3825CF1743DE370ADF6890A65C263EE5" xlink:to="loc_mjn_DefinedBenefitPlanNetPeriodicBenefitCostExcludingSettlements_BEA6E4C4659917D5803590A65C29A46B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DefinedBenefitPlanRecognizedNetGainLossDueToSettlements1" xlink:label="loc_us-gaap_DefinedBenefitPlanRecognizedNetGainLossDueToSettlements1_6A1275ED0291CFE6C00B90A65C299231" xlink:type="locator" />
    <definitionArc order="14" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_3825CF1743DE370ADF6890A65C263EE5" xlink:to="loc_us-gaap_DefinedBenefitPlanRecognizedNetGainLossDueToSettlements1_6A1275ED0291CFE6C00B90A65C299231" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DefinedBenefitPlanCurtailments" xlink:label="loc_us-gaap_DefinedBenefitPlanCurtailments_7704FE8E9410F0817C7B90A65C298E27" xlink:type="locator" />
    <definitionArc order="15" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_3825CF1743DE370ADF6890A65C263EE5" xlink:to="loc_us-gaap_DefinedBenefitPlanCurtailments_7704FE8E9410F0817C7B90A65C298E27" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost" xlink:label="loc_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_469AF2A9C27CEADAF8D090A65C29B25C" xlink:type="locator" />
    <definitionArc order="16" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_3825CF1743DE370ADF6890A65C263EE5" xlink:to="loc_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_469AF2A9C27CEADAF8D090A65C29B25C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DefinedBenefitPlanAmountsThatWillBeAmortizedFromAccumulatedOtherComprehensiveIncomeLossInNextFiscalYearAbstract" xlink:label="loc_us-gaap_DefinedBenefitPlanAmountsThatWillBeAmortizedFromAccumulatedOtherComprehensiveIncomeLossInNextFiscalYearAbstract_64F4E21C7482864339A590A65C2909E6" xlink:type="locator" />
    <definitionArc order="17" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_3825CF1743DE370ADF6890A65C263EE5" xlink:to="loc_us-gaap_DefinedBenefitPlanAmountsThatWillBeAmortizedFromAccumulatedOtherComprehensiveIncomeLossInNextFiscalYearAbstract_64F4E21C7482864339A590A65C2909E6" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DefinedBenefitPlanWeightedAverageAssumptionsUsedInCalculatingBenefitObligationAbstract" xlink:label="loc_us-gaap_DefinedBenefitPlanWeightedAverageAssumptionsUsedInCalculatingBenefitObligationAbstract_35681F22C3DA0666A80790A65C2933D0" xlink:type="locator" />
    <definitionArc order="18" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_3825CF1743DE370ADF6890A65C263EE5" xlink:to="loc_us-gaap_DefinedBenefitPlanWeightedAverageAssumptionsUsedInCalculatingBenefitObligationAbstract_35681F22C3DA0666A80790A65C2933D0" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate" xlink:label="loc_us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate_CC0FDCE76CC24B1B1A8290A65C29F836" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanWeightedAverageAssumptionsUsedInCalculatingBenefitObligationAbstract_35681F22C3DA0666A80790A65C2933D0" xlink:to="loc_us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate_CC0FDCE76CC24B1B1A8290A65C29F836" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationRateOfCompensationIncrease" xlink:label="loc_us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationRateOfCompensationIncrease_D8B55D0C0DAA9339263890A65C293383" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanWeightedAverageAssumptionsUsedInCalculatingBenefitObligationAbstract_35681F22C3DA0666A80790A65C2933D0" xlink:to="loc_us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationRateOfCompensationIncrease_D8B55D0C0DAA9339263890A65C293383" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DefinedBenefitPlanWeightedAverageAssumptionsUsedInCalculatingNetPeriodicBenefitCostAbstract" xlink:label="loc_us-gaap_DefinedBenefitPlanWeightedAverageAssumptionsUsedInCalculatingNetPeriodicBenefitCostAbstract_8EF4F11C3CA49A401E2A90A65C29443E" xlink:type="locator" />
    <definitionArc order="19" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_3825CF1743DE370ADF6890A65C263EE5" xlink:to="loc_us-gaap_DefinedBenefitPlanWeightedAverageAssumptionsUsedInCalculatingNetPeriodicBenefitCostAbstract_8EF4F11C3CA49A401E2A90A65C29443E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostDiscountRate" xlink:label="loc_us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostDiscountRate_EEDCCB56A6FB0822332190A65C296F21" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanWeightedAverageAssumptionsUsedInCalculatingNetPeriodicBenefitCostAbstract_8EF4F11C3CA49A401E2A90A65C29443E" xlink:to="loc_us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostDiscountRate_EEDCCB56A6FB0822332190A65C296F21" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostExpectedLongTermReturnOnAssets" xlink:label="loc_us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostExpectedLongTermReturnOnAssets_D14BEB3ABB95B9C13E4990A65C2A7B69" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanWeightedAverageAssumptionsUsedInCalculatingNetPeriodicBenefitCostAbstract_8EF4F11C3CA49A401E2A90A65C29443E" xlink:to="loc_us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostExpectedLongTermReturnOnAssets_D14BEB3ABB95B9C13E4990A65C2A7B69" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostRateOfCompensationIncrease" xlink:label="loc_us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostRateOfCompensationIncrease_C86AEE8A9C140EDA86EA90A65C2AC7DD" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanWeightedAverageAssumptionsUsedInCalculatingNetPeriodicBenefitCostAbstract_8EF4F11C3CA49A401E2A90A65C29443E" xlink:to="loc_us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostRateOfCompensationIncrease_C86AEE8A9C140EDA86EA90A65C2AC7DD" xlink:type="arc" />
    <loc xlink:href="mjn-20140422.xsd#mjn_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostExpectedLongTermReturnOnAssetsInNextFiscalYear" xlink:label="loc_mjn_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostExpectedLongTermReturnOnAssetsInNextFiscalYear_7024A3068D48C483F3A490A65C2AD71C" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanWeightedAverageAssumptionsUsedInCalculatingNetPeriodicBenefitCostAbstract_8EF4F11C3CA49A401E2A90A65C29443E" xlink:to="loc_mjn_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostExpectedLongTermReturnOnAssetsInNextFiscalYear_7024A3068D48C483F3A490A65C2AD71C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DefinedBenefitPlanAssumedHealthCareCostTrendRatesAbstract" xlink:label="loc_us-gaap_DefinedBenefitPlanAssumedHealthCareCostTrendRatesAbstract_F33527F6D216EC9F3E4B90A65C2A64AA" xlink:type="locator" />
    <definitionArc order="20" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_3825CF1743DE370ADF6890A65C263EE5" xlink:to="loc_us-gaap_DefinedBenefitPlanAssumedHealthCareCostTrendRatesAbstract_F33527F6D216EC9F3E4B90A65C2A64AA" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DefinedBenefitPlanHealthCareCostTrendRateAssumedForNextFiscalYear" xlink:label="loc_us-gaap_DefinedBenefitPlanHealthCareCostTrendRateAssumedForNextFiscalYear_A57E5A725E609C871FE390A65C2AC37F" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanAssumedHealthCareCostTrendRatesAbstract_F33527F6D216EC9F3E4B90A65C2A64AA" xlink:to="loc_us-gaap_DefinedBenefitPlanHealthCareCostTrendRateAssumedForNextFiscalYear_A57E5A725E609C871FE390A65C2AC37F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DefinedBenefitPlanUltimateHealthCareCostTrendRate" xlink:label="loc_us-gaap_DefinedBenefitPlanUltimateHealthCareCostTrendRate_51A4C2C60C4106947C5E90A65C2A7596" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanAssumedHealthCareCostTrendRatesAbstract_F33527F6D216EC9F3E4B90A65C2A64AA" xlink:to="loc_us-gaap_DefinedBenefitPlanUltimateHealthCareCostTrendRate_51A4C2C60C4106947C5E90A65C2A7596" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DefinedBenefitPlanYearThatRateReachesUltimateTrendRate" xlink:label="loc_us-gaap_DefinedBenefitPlanYearThatRateReachesUltimateTrendRate_9C4F528633690BD9B1DC90A65C2AC6C5" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanAssumedHealthCareCostTrendRatesAbstract_F33527F6D216EC9F3E4B90A65C2A64AA" xlink:to="loc_us-gaap_DefinedBenefitPlanYearThatRateReachesUltimateTrendRate_9C4F528633690BD9B1DC90A65C2AC6C5" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DefinedBenefitPlanEffectOfOnePercentagePointChangeInAssumedHealthCareCostTrendRatesAbstract" xlink:label="loc_us-gaap_DefinedBenefitPlanEffectOfOnePercentagePointChangeInAssumedHealthCareCostTrendRatesAbstract_9F19BF5FB2334352779390A65C2A5085" xlink:type="locator" />
    <definitionArc order="21" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_3825CF1743DE370ADF6890A65C263EE5" xlink:to="loc_us-gaap_DefinedBenefitPlanEffectOfOnePercentagePointChangeInAssumedHealthCareCostTrendRatesAbstract_9F19BF5FB2334352779390A65C2A5085" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DefinedBenefitPlanEffectOfOnePercentagePointIncreaseOnServiceAndInterestCostComponents" xlink:label="loc_us-gaap_DefinedBenefitPlanEffectOfOnePercentagePointIncreaseOnServiceAndInterestCostComponents_4E77FAF65761E27B090A90A65C2A9CE2" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanEffectOfOnePercentagePointChangeInAssumedHealthCareCostTrendRatesAbstract_9F19BF5FB2334352779390A65C2A5085" xlink:to="loc_us-gaap_DefinedBenefitPlanEffectOfOnePercentagePointIncreaseOnServiceAndInterestCostComponents_4E77FAF65761E27B090A90A65C2A9CE2" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DefinedBenefitPlanEffectOfOnePercentagePointDecreaseOnServiceAndInterestCostComponents1" xlink:label="loc_us-gaap_DefinedBenefitPlanEffectOfOnePercentagePointDecreaseOnServiceAndInterestCostComponents1_7B40B3614484B878F5DD90A65C2AF8EC" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanEffectOfOnePercentagePointChangeInAssumedHealthCareCostTrendRatesAbstract_9F19BF5FB2334352779390A65C2A5085" xlink:to="loc_us-gaap_DefinedBenefitPlanEffectOfOnePercentagePointDecreaseOnServiceAndInterestCostComponents1_7B40B3614484B878F5DD90A65C2AF8EC" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DefinedBenefitPlanEffectOfOnePercentagePointIncreaseOnAccumulatedPostretirementBenefitObligation" xlink:label="loc_us-gaap_DefinedBenefitPlanEffectOfOnePercentagePointIncreaseOnAccumulatedPostretirementBenefitObligation_B76022BAB575B7D4F89090A65C2A62D5" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanEffectOfOnePercentagePointChangeInAssumedHealthCareCostTrendRatesAbstract_9F19BF5FB2334352779390A65C2A5085" xlink:to="loc_us-gaap_DefinedBenefitPlanEffectOfOnePercentagePointIncreaseOnAccumulatedPostretirementBenefitObligation_B76022BAB575B7D4F89090A65C2A62D5" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DefinedBenefitPlanEffectOfOnePercentagePointDecreaseOnAccumulatedPostretirementBenefitObligation1" xlink:label="loc_us-gaap_DefinedBenefitPlanEffectOfOnePercentagePointDecreaseOnAccumulatedPostretirementBenefitObligation1_21388A7D07587110181990A65C2AF185" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanEffectOfOnePercentagePointChangeInAssumedHealthCareCostTrendRatesAbstract_9F19BF5FB2334352779390A65C2A5085" xlink:to="loc_us-gaap_DefinedBenefitPlanEffectOfOnePercentagePointDecreaseOnAccumulatedPostretirementBenefitObligation1_21388A7D07587110181990A65C2AF185" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DefinedBenefitPlanAssetsTargetAllocationsAbstract" xlink:label="loc_us-gaap_DefinedBenefitPlanAssetsTargetAllocationsAbstract_E555B0A37F2643719AD890A65C2AB0E2" xlink:type="locator" />
    <definitionArc order="22" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_3825CF1743DE370ADF6890A65C263EE5" xlink:to="loc_us-gaap_DefinedBenefitPlanAssetsTargetAllocationsAbstract_E555B0A37F2643719AD890A65C2AB0E2" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DefinedBenefitPlanTargetAllocationPercentage" xlink:label="loc_us-gaap_DefinedBenefitPlanTargetAllocationPercentage_F5BB52B87A40C063BBBB90A65C2AF38B" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanAssetsTargetAllocationsAbstract_E555B0A37F2643719AD890A65C2AB0E2" xlink:to="loc_us-gaap_DefinedBenefitPlanTargetAllocationPercentage_F5BB52B87A40C063BBBB90A65C2AF38B" xlink:type="arc" />
    <loc xlink:href="mjn-20140422.xsd#mjn_DefinedbenefitplanfairvalueofplanassetsAbstract" xlink:label="loc_mjn_DefinedbenefitplanfairvalueofplanassetsAbstract_BAB3A8B52A2CA612171490A65C2B0886" xlink:type="locator" />
    <definitionArc order="23" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_3825CF1743DE370ADF6890A65C263EE5" xlink:to="loc_mjn_DefinedbenefitplanfairvalueofplanassetsAbstract_BAB3A8B52A2CA612171490A65C2B0886" xlink:type="arc" />
    <loc xlink:href="mjn-20140422.xsd#mjn_PeriodOfNoticeForQuarterlyRedemptionOfDiversifiedHedge" xlink:label="loc_mjn_PeriodOfNoticeForQuarterlyRedemptionOfDiversifiedHedge_FCD7C3EE1F59CE58245A90A65C2B8FB8" xlink:type="locator" />
    <definitionArc order="24" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_3825CF1743DE370ADF6890A65C263EE5" xlink:to="loc_mjn_PeriodOfNoticeForQuarterlyRedemptionOfDiversifiedHedge_FCD7C3EE1F59CE58245A90A65C2B8FB8" xlink:type="arc" />
    <loc xlink:href="mjn-20140422.xsd#mjn_DefinedcontributionbenefitsAbstract" xlink:label="loc_mjn_DefinedcontributionbenefitsAbstract_A4D923E25DF70274784090A65C2BF227" xlink:type="locator" />
    <definitionArc order="25" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_3825CF1743DE370ADF6890A65C263EE5" xlink:to="loc_mjn_DefinedcontributionbenefitsAbstract_A4D923E25DF70274784090A65C2BF227" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DefinedBenefitPlansEstimatedFutureEmployerContributionsInNextFiscalYear" xlink:label="loc_us-gaap_DefinedBenefitPlansEstimatedFutureEmployerContributionsInNextFiscalYear_C2C2CFE4BFA18D0256DA90A65C2B65A6" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_mjn_DefinedcontributionbenefitsAbstract_A4D923E25DF70274784090A65C2BF227" xlink:to="loc_us-gaap_DefinedBenefitPlansEstimatedFutureEmployerContributionsInNextFiscalYear_C2C2CFE4BFA18D0256DA90A65C2B65A6" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DefinedBenefitPlanEstimatedFutureBenefitPaymentsAbstract" xlink:label="loc_us-gaap_DefinedBenefitPlanEstimatedFutureBenefitPaymentsAbstract_F1E5AC9005190296AE4990A65C2B9804" xlink:type="locator" />
    <definitionArc order="26" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_3825CF1743DE370ADF6890A65C263EE5" xlink:to="loc_us-gaap_DefinedBenefitPlanEstimatedFutureBenefitPaymentsAbstract_F1E5AC9005190296AE4990A65C2B9804" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths" xlink:label="loc_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths_B34806E387FD496D538F90A65C2B73A5" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanEstimatedFutureBenefitPaymentsAbstract_F1E5AC9005190296AE4990A65C2B9804" xlink:to="loc_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths_B34806E387FD496D538F90A65C2B73A5" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo" xlink:label="loc_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo_0757FBB5C29A8843927190A65C2B68E5" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanEstimatedFutureBenefitPaymentsAbstract_F1E5AC9005190296AE4990A65C2B9804" xlink:to="loc_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo_0757FBB5C29A8843927190A65C2B68E5" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree" xlink:label="loc_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree_AF91C1ACD9518856BA1C90A65C2B9C82" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanEstimatedFutureBenefitPaymentsAbstract_F1E5AC9005190296AE4990A65C2B9804" xlink:to="loc_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree_AF91C1ACD9518856BA1C90A65C2B9C82" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour" xlink:label="loc_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour_CC5EC43908945043982990A65C2BDB64" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanEstimatedFutureBenefitPaymentsAbstract_F1E5AC9005190296AE4990A65C2B9804" xlink:to="loc_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour_CC5EC43908945043982990A65C2BDB64" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive" xlink:label="loc_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive_016A77C0232EF48258EF90A65C2C7E79" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanEstimatedFutureBenefitPaymentsAbstract_F1E5AC9005190296AE4990A65C2B9804" xlink:to="loc_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive_016A77C0232EF48258EF90A65C2C7E79" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter" xlink:label="loc_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter_BDB801616F7410E7482790A65C2C9FF1" xlink:type="locator" />
    <definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanEstimatedFutureBenefitPaymentsAbstract_F1E5AC9005190296AE4990A65C2B9804" xlink:to="loc_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter_BDB801616F7410E7482790A65C2C9FF1" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DefinedContributionPlanCostRecognized" xlink:label="loc_us-gaap_DefinedContributionPlanCostRecognized_63921548CDD68FFA225590A65C2CED46" xlink:type="locator" />
    <definitionArc order="27" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_3825CF1743DE370ADF6890A65C263EE5" xlink:to="loc_us-gaap_DefinedContributionPlanCostRecognized_63921548CDD68FFA225590A65C2CED46" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.meadjohnson.com/role/PensionAndOtherPostEmploymentBenefitPlansTables" xlink:type="extended" />
  <definitionLink xlink:role="http://www.meadjohnson.com/role/Receivables" xlink:type="extended" />
  <definitionLink xlink:role="http://www.meadjohnson.com/role/ReceivablesDetails" xlink:type="extended" />
  <definitionLink xlink:role="http://www.meadjohnson.com/role/ReceivablesTables" xlink:type="extended" />
  <definitionLink xlink:role="http://www.meadjohnson.com/role/RedeemableNoncontrollingInterestDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_BusinessAcquisitionLineItems" xlink:label="loc_us-gaap_BusinessAcquisitionLineItems_929A4C6FDB434AF7E3B16FA8E1A80E06" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable" xlink:label="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_F042C7BBA496F81B5F846FA8E1A80A75" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_929A4C6FDB434AF7E3B16FA8E1A80E06" xlink:to="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_F042C7BBA496F81B5F846FA8E1A80A75" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OptionIndexedToIssuersEquityTypeAxis" xlink:label="loc_us-gaap_OptionIndexedToIssuersEquityTypeAxis_8BC17FE3BA1D8550B1B56FA8E1A81D4D" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_F042C7BBA496F81B5F846FA8E1A80A75" xlink:to="loc_us-gaap_OptionIndexedToIssuersEquityTypeAxis_8BC17FE3BA1D8550B1B56FA8E1A81D4D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OptionIndexedToIssuersEquityTypeDomain" xlink:label="loc_us-gaap_OptionIndexedToIssuersEquityTypeDomain_CB613F1421069C61103C6FA8E1A886D3_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_OptionIndexedToIssuersEquityTypeAxis_8BC17FE3BA1D8550B1B56FA8E1A81D4D" xlink:to="loc_us-gaap_OptionIndexedToIssuersEquityTypeDomain_CB613F1421069C61103C6FA8E1A886D3_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OptionIndexedToIssuersEquityTypeDomain" xlink:label="loc_us-gaap_OptionIndexedToIssuersEquityTypeDomain_CB613F1421069C61103C6FA8E1A886D3" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_OptionIndexedToIssuersEquityTypeAxis_8BC17FE3BA1D8550B1B56FA8E1A81D4D" xlink:to="loc_us-gaap_OptionIndexedToIssuersEquityTypeDomain_CB613F1421069C61103C6FA8E1A886D3" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PutOptionMember" xlink:label="loc_us-gaap_PutOptionMember_F6786AEEABE32AF6AE126FA8E1A8B2F4" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OptionIndexedToIssuersEquityTypeDomain_CB613F1421069C61103C6FA8E1A886D3" xlink:to="loc_us-gaap_PutOptionMember_F6786AEEABE32AF6AE126FA8E1A8B2F4" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CallOptionMember" xlink:label="loc_us-gaap_CallOptionMember_AF7AE548DF88C0A6F9166FA8E1A8EF4A" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OptionIndexedToIssuersEquityTypeDomain_CB613F1421069C61103C6FA8E1A886D3" xlink:to="loc_us-gaap_CallOptionMember_AF7AE548DF88C0A6F9166FA8E1A8EF4A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_BusinessAcquisitionAxis" xlink:label="loc_us-gaap_BusinessAcquisitionAxis_A588F063A35AA013D2966FA8E1A895C4" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_F042C7BBA496F81B5F846FA8E1A80A75" xlink:to="loc_us-gaap_BusinessAcquisitionAxis_A588F063A35AA013D2966FA8E1A895C4" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_382FC807C8C46120C3E96FA8E1A8D2C9_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_A588F063A35AA013D2966FA8E1A895C4" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_382FC807C8C46120C3E96FA8E1A8D2C9_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_382FC807C8C46120C3E96FA8E1A8D2C9" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_A588F063A35AA013D2966FA8E1A895C4" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_382FC807C8C46120C3E96FA8E1A8D2C9" xlink:type="arc" />
    <loc xlink:href="mjn-20140422.xsd#mjn_NutricionParaElConosurSaMember" xlink:label="loc_mjn_NutricionParaElConosurSaMember_51C749D201F3D4ABE57E6FA8E1A8F50B" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_382FC807C8C46120C3E96FA8E1A8D2C9" xlink:to="loc_mjn_NutricionParaElConosurSaMember_51C749D201F3D4ABE57E6FA8E1A8F50B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_StatementClassOfStockAxis" xlink:label="loc_us-gaap_StatementClassOfStockAxis_CB6F94FB5CBA6117866A6FA8E1A86AB3" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_F042C7BBA496F81B5F846FA8E1A80A75" xlink:to="loc_us-gaap_StatementClassOfStockAxis_CB6F94FB5CBA6117866A6FA8E1A86AB3" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ClassOfStockDomain" xlink:label="loc_us-gaap_ClassOfStockDomain_4CD3B92466223B6584D56FA8E1A8A3FB_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementClassOfStockAxis_CB6F94FB5CBA6117866A6FA8E1A86AB3" xlink:to="loc_us-gaap_ClassOfStockDomain_4CD3B92466223B6584D56FA8E1A8A3FB_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ClassOfStockDomain" xlink:label="loc_us-gaap_ClassOfStockDomain_4CD3B92466223B6584D56FA8E1A8A3FB" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementClassOfStockAxis_CB6F94FB5CBA6117866A6FA8E1A86AB3" xlink:to="loc_us-gaap_ClassOfStockDomain_4CD3B92466223B6584D56FA8E1A8A3FB" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_BusinessAcquisitionPercentageOfVotingInterestsAcquired" xlink:label="loc_us-gaap_BusinessAcquisitionPercentageOfVotingInterestsAcquired_DEE2CD862081BC6F21016FA8E1A9D6AB" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_929A4C6FDB434AF7E3B16FA8E1A80E06" xlink:to="loc_us-gaap_BusinessAcquisitionPercentageOfVotingInterestsAcquired_DEE2CD862081BC6F21016FA8E1A9D6AB" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_MinorityInterestOwnershipPercentageByNoncontrollingOwners" xlink:label="loc_us-gaap_MinorityInterestOwnershipPercentageByNoncontrollingOwners_2E0C88F642B68EE9CE496FA8E1A9DBDB" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_929A4C6FDB434AF7E3B16FA8E1A80E06" xlink:to="loc_us-gaap_MinorityInterestOwnershipPercentageByNoncontrollingOwners_2E0C88F642B68EE9CE496FA8E1A9DBDB" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.meadjohnson.com/role/RedeemableNoncontrollingInterestNotes" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_BusinessAcquisitionLineItems" xlink:label="loc_us-gaap_BusinessAcquisitionLineItems_628152E0D2C3367A84EB6FA8E11B8CCC" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable" xlink:label="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_14D7E6440474DADC16516FA8E11A8633" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_628152E0D2C3367A84EB6FA8E11B8CCC" xlink:to="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_14D7E6440474DADC16516FA8E11A8633" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_BusinessAcquisitionAxis" xlink:label="loc_us-gaap_BusinessAcquisitionAxis_E105050AE71874D041D26FA8E11A375B" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_14D7E6440474DADC16516FA8E11A8633" xlink:to="loc_us-gaap_BusinessAcquisitionAxis_E105050AE71874D041D26FA8E11A375B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_88712DD361CE9F19F2BB6FA8E11A1B00_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_E105050AE71874D041D26FA8E11A375B" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_88712DD361CE9F19F2BB6FA8E11A1B00_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_88712DD361CE9F19F2BB6FA8E11A1B00" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_E105050AE71874D041D26FA8E11A375B" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_88712DD361CE9F19F2BB6FA8E11A1B00" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_StatementClassOfStockAxis" xlink:label="loc_us-gaap_StatementClassOfStockAxis_3095C8607F092513052A6FA8E11B69D7" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_14D7E6440474DADC16516FA8E11A8633" xlink:to="loc_us-gaap_StatementClassOfStockAxis_3095C8607F092513052A6FA8E11B69D7" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ClassOfStockDomain" xlink:label="loc_us-gaap_ClassOfStockDomain_A838C1A265E838CB4F3D6FA8E11BF609_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementClassOfStockAxis_3095C8607F092513052A6FA8E11B69D7" xlink:to="loc_us-gaap_ClassOfStockDomain_A838C1A265E838CB4F3D6FA8E11BF609_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ClassOfStockDomain" xlink:label="loc_us-gaap_ClassOfStockDomain_A838C1A265E838CB4F3D6FA8E11BF609" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementClassOfStockAxis_3095C8607F092513052A6FA8E11B69D7" xlink:to="loc_us-gaap_ClassOfStockDomain_A838C1A265E838CB4F3D6FA8E11BF609" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_BusinessCombinationDisclosureTextBlock" xlink:label="loc_us-gaap_BusinessCombinationDisclosureTextBlock_2E4B5BE7CCA57709B8266FA8E11BBEAC" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_628152E0D2C3367A84EB6FA8E11B8CCC" xlink:to="loc_us-gaap_BusinessCombinationDisclosureTextBlock_2E4B5BE7CCA57709B8266FA8E11BBEAC" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.meadjohnson.com/role/RedeemableNoncontrollingInterestTables" xlink:type="extended" />
  <definitionLink xlink:role="http://www.meadjohnson.com/role/ScheduleIiValuationAndQualifyingAccounts" xlink:type="extended" />
  <definitionLink xlink:role="http://www.meadjohnson.com/role/ScheduleIiValuationAndQualifyingAccountsDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ValuationAndQualifyingAccountsDisclosureLineItems" xlink:label="loc_us-gaap_ValuationAndQualifyingAccountsDisclosureLineItems_CFDFC78C8004F8F9E8DB6FA8E1BB126B" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ValuationAndQualifyingAccountsDisclosureTable" xlink:label="loc_us-gaap_ValuationAndQualifyingAccountsDisclosureTable_4D74A11E8D980DA4F7936FA8E1BB222F" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ValuationAndQualifyingAccountsDisclosureLineItems_CFDFC78C8004F8F9E8DB6FA8E1BB126B" xlink:to="loc_us-gaap_ValuationAndQualifyingAccountsDisclosureTable_4D74A11E8D980DA4F7936FA8E1BB222F" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ValuationAllowancesAndReservesTypeAxis" xlink:label="loc_us-gaap_ValuationAllowancesAndReservesTypeAxis_83F6AA0A0B5AE38BC5666FA8E1BB305C" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ValuationAndQualifyingAccountsDisclosureTable_4D74A11E8D980DA4F7936FA8E1BB222F" xlink:to="loc_us-gaap_ValuationAllowancesAndReservesTypeAxis_83F6AA0A0B5AE38BC5666FA8E1BB305C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ValuationAllowancesAndReservesDomain" xlink:label="loc_us-gaap_ValuationAllowancesAndReservesDomain_D7C4F6A4B35BD35E29426FA8E1BB3DC6_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ValuationAllowancesAndReservesTypeAxis_83F6AA0A0B5AE38BC5666FA8E1BB305C" xlink:to="loc_us-gaap_ValuationAllowancesAndReservesDomain_D7C4F6A4B35BD35E29426FA8E1BB3DC6_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ValuationAllowancesAndReservesDomain" xlink:label="loc_us-gaap_ValuationAllowancesAndReservesDomain_D7C4F6A4B35BD35E29426FA8E1BB3DC6" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ValuationAllowancesAndReservesTypeAxis_83F6AA0A0B5AE38BC5666FA8E1BB305C" xlink:to="loc_us-gaap_ValuationAllowancesAndReservesDomain_D7C4F6A4B35BD35E29426FA8E1BB3DC6" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ValuationAllowanceOfDeferredTaxAssetsMember" xlink:label="loc_us-gaap_ValuationAllowanceOfDeferredTaxAssetsMember_1677763D36F106FE59866FA8E1BB0972" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ValuationAllowancesAndReservesDomain_D7C4F6A4B35BD35E29426FA8E1BB3DC6" xlink:to="loc_us-gaap_ValuationAllowanceOfDeferredTaxAssetsMember_1677763D36F106FE59866FA8E1BB0972" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AllowanceForDoubtfulAccountsMember" xlink:label="loc_us-gaap_AllowanceForDoubtfulAccountsMember_2BA9DF9C509AB92507796FA8E1BB7DB3" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ValuationAllowancesAndReservesDomain_D7C4F6A4B35BD35E29426FA8E1BB3DC6" xlink:to="loc_us-gaap_AllowanceForDoubtfulAccountsMember_2BA9DF9C509AB92507796FA8E1BB7DB3" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ValuationAllowancesAndReservesBalance" xlink:label="loc_us-gaap_ValuationAllowancesAndReservesBalance_1FA97D861F70E1DD83826FA8E1BB7AF4" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ValuationAndQualifyingAccountsDisclosureLineItems_CFDFC78C8004F8F9E8DB6FA8E1BB126B" xlink:to="loc_us-gaap_ValuationAllowancesAndReservesBalance_1FA97D861F70E1DD83826FA8E1BB7AF4" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ValuationAllowancesAndReservesChargedToCostAndExpense" xlink:label="loc_us-gaap_ValuationAllowancesAndReservesChargedToCostAndExpense_4B1BFCF5621000E7B0EE6FA8E1BB2B1C" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ValuationAndQualifyingAccountsDisclosureLineItems_CFDFC78C8004F8F9E8DB6FA8E1BB126B" xlink:to="loc_us-gaap_ValuationAllowancesAndReservesChargedToCostAndExpense_4B1BFCF5621000E7B0EE6FA8E1BB2B1C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ValuationAllowancesAndReservesDeductions" xlink:label="loc_us-gaap_ValuationAllowancesAndReservesDeductions_B807FAE4CA566C2604DF6FA8E1BC2E66" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ValuationAndQualifyingAccountsDisclosureLineItems_CFDFC78C8004F8F9E8DB6FA8E1BB126B" xlink:to="loc_us-gaap_ValuationAllowancesAndReservesDeductions_B807FAE4CA566C2604DF6FA8E1BC2E66" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ValuationAllowancesAndReservesAdjustments" xlink:label="loc_us-gaap_ValuationAllowancesAndReservesAdjustments_EEB569A10A5EB8E17E366FA8E1BCEAD2" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ValuationAndQualifyingAccountsDisclosureLineItems_CFDFC78C8004F8F9E8DB6FA8E1BB126B" xlink:to="loc_us-gaap_ValuationAllowancesAndReservesAdjustments_EEB569A10A5EB8E17E366FA8E1BCEAD2" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.meadjohnson.com/role/ScheduleIiValuationAndQualifyingAccountsTables" xlink:type="extended" />
  <definitionLink xlink:role="http://www.meadjohnson.com/role/SegmentInformation" xlink:type="extended" />
  <definitionLink xlink:role="http://www.meadjohnson.com/role/SegmentInformationDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_SegmentReportingInformationLineItems" xlink:label="loc_us-gaap_SegmentReportingInformationLineItems_6D8E4AC49E484E737B9F3CAA5A1A73FD" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable" xlink:label="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_8AAE03A851474B56E4C93CAA5A198AC4" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_6D8E4AC49E484E737B9F3CAA5A1A73FD" xlink:to="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_8AAE03A851474B56E4C93CAA5A198AC4" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_StatementBusinessSegmentsAxis" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_25AB73D7745472DBE16D3CAA5A19A396" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_8AAE03A851474B56E4C93CAA5A198AC4" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_25AB73D7745472DBE16D3CAA5A19A396" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_SegmentDomain" xlink:label="loc_us-gaap_SegmentDomain_4D7BA7BE936D4828ADF53CAA5A197809_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_25AB73D7745472DBE16D3CAA5A19A396" xlink:to="loc_us-gaap_SegmentDomain_4D7BA7BE936D4828ADF53CAA5A197809_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_SegmentDomain" xlink:label="loc_us-gaap_SegmentDomain_4D7BA7BE936D4828ADF53CAA5A197809" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_25AB73D7745472DBE16D3CAA5A19A396" xlink:to="loc_us-gaap_SegmentDomain_4D7BA7BE936D4828ADF53CAA5A197809" xlink:type="arc" />
    <loc xlink:href="mjn-20140422.xsd#mjn_NorthAmericaEuropeandLatinAmericaMemberMember" xlink:label="loc_mjn_NorthAmericaEuropeandLatinAmericaMemberMember_8341183104E1D402FBC23CAA5A1AD161" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_4D7BA7BE936D4828ADF53CAA5A197809" xlink:to="loc_mjn_NorthAmericaEuropeandLatinAmericaMemberMember_8341183104E1D402FBC23CAA5A1AD161" xlink:type="arc" />
    <loc xlink:href="mjn-20140422.xsd#mjn_NorthAmericaEuropeMember" xlink:label="loc_mjn_NorthAmericaEuropeMember_135EA184DA794EBC1E993CAA5A1AD020" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_4D7BA7BE936D4828ADF53CAA5A197809" xlink:to="loc_mjn_NorthAmericaEuropeMember_135EA184DA794EBC1E993CAA5A1AD020" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OperatingSegmentsMember" xlink:label="loc_us-gaap_OperatingSegmentsMember_17C1A6B069CBC2C2CEC13CAA5A1AF4EE" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_4D7BA7BE936D4828ADF53CAA5A197809" xlink:to="loc_us-gaap_OperatingSegmentsMember_17C1A6B069CBC2C2CEC13CAA5A1AF4EE" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_MaterialReconcilingItemsMember" xlink:label="loc_us-gaap_MaterialReconcilingItemsMember_C8EB0001762CADF266173CAA5A1A1A46" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_4D7BA7BE936D4828ADF53CAA5A197809" xlink:to="loc_us-gaap_MaterialReconcilingItemsMember_C8EB0001762CADF266173CAA5A1A1A46" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AsiaMember" xlink:label="loc_us-gaap_AsiaMember_98D78FBCF01276BFD2033CAA5A1AC56B" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_4D7BA7BE936D4828ADF53CAA5A197809" xlink:to="loc_us-gaap_AsiaMember_98D78FBCF01276BFD2033CAA5A1AC56B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LatinAmericaMember" xlink:label="loc_us-gaap_LatinAmericaMember_E3E8F27BC02D557442FB3CAA5A1AFC42" xlink:type="locator" />
    <definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_4D7BA7BE936D4828ADF53CAA5A197809" xlink:to="loc_us-gaap_LatinAmericaMember_E3E8F27BC02D557442FB3CAA5A1AFC42" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_MajorCustomersAxis" xlink:label="loc_us-gaap_MajorCustomersAxis_9CEBB64897943BDFF37F3CAA5A1AEB3A" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_8AAE03A851474B56E4C93CAA5A198AC4" xlink:to="loc_us-gaap_MajorCustomersAxis_9CEBB64897943BDFF37F3CAA5A1AEB3A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_NameOfMajorCustomerDomain" xlink:label="loc_us-gaap_NameOfMajorCustomerDomain_5EF5DDE2DBF80E4D98393CAA5A1A4FFA_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_MajorCustomersAxis_9CEBB64897943BDFF37F3CAA5A1AEB3A" xlink:to="loc_us-gaap_NameOfMajorCustomerDomain_5EF5DDE2DBF80E4D98393CAA5A1A4FFA_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_NameOfMajorCustomerDomain" xlink:label="loc_us-gaap_NameOfMajorCustomerDomain_5EF5DDE2DBF80E4D98393CAA5A1A4FFA" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_MajorCustomersAxis_9CEBB64897943BDFF37F3CAA5A1AEB3A" xlink:to="loc_us-gaap_NameOfMajorCustomerDomain_5EF5DDE2DBF80E4D98393CAA5A1A4FFA" xlink:type="arc" />
    <loc xlink:href="mjn-20140422.xsd#mjn_CustomerOneMember" xlink:label="loc_mjn_CustomerOneMember_7BC7442388072DA81D8B3CAA5A1AF9E5" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NameOfMajorCustomerDomain_5EF5DDE2DBF80E4D98393CAA5A1A4FFA" xlink:to="loc_mjn_CustomerOneMember_7BC7442388072DA81D8B3CAA5A1AF9E5" xlink:type="arc" />
    <loc xlink:href="mjn-20140422.xsd#mjn_CustomerTwoMember" xlink:label="loc_mjn_CustomerTwoMember_AB99621FE967F59F64AB3CAA5A1A81BF" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NameOfMajorCustomerDomain_5EF5DDE2DBF80E4D98393CAA5A1A4FFA" xlink:to="loc_mjn_CustomerTwoMember_AB99621FE967F59F64AB3CAA5A1A81BF" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_RisksAndUncertaintiesAbstract" xlink:label="loc_us-gaap_RisksAndUncertaintiesAbstract_6D49B353CF4475562AD43CAA5A1AFB27" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_6D8E4AC49E484E737B9F3CAA5A1A73FD" xlink:to="loc_us-gaap_RisksAndUncertaintiesAbstract_6D49B353CF4475562AD43CAA5A1AFB27" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ConcentrationRiskPercentage1" xlink:label="loc_us-gaap_ConcentrationRiskPercentage1_80422EA2C52A921454B93CAA5A1ACAF0" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RisksAndUncertaintiesAbstract_6D49B353CF4475562AD43CAA5A1AFB27" xlink:to="loc_us-gaap_ConcentrationRiskPercentage1_80422EA2C52A921454B93CAA5A1ACAF0" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_SalesRevenueGoodsNet" xlink:label="loc_us-gaap_SalesRevenueGoodsNet_3424534A9775C6663C243CAA5A1A7359" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_6D8E4AC49E484E737B9F3CAA5A1A73FD" xlink:to="loc_us-gaap_SalesRevenueGoodsNet_3424534A9775C6663C243CAA5A1A7359" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeInterestExpenseInterestIncomeIncomeTaxesExtraordinaryItemsNoncontrollingInterestsNet" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeInterestExpenseInterestIncomeIncomeTaxesExtraordinaryItemsNoncontrollingInterestsNet_A906DD7A8DD43032A65D3CAA5A1BA3A5" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_6D8E4AC49E484E737B9F3CAA5A1A73FD" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeInterestExpenseInterestIncomeIncomeTaxesExtraordinaryItemsNoncontrollingInterestsNet_A906DD7A8DD43032A65D3CAA5A1BA3A5" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_Assets" xlink:label="loc_us-gaap_Assets_B3E19E4026FF3E3F071C3CAA5A1BEB64" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_6D8E4AC49E484E737B9F3CAA5A1A73FD" xlink:to="loc_us-gaap_Assets_B3E19E4026FF3E3F071C3CAA5A1BEB64" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PaymentsToAcquireProductiveAssets" xlink:label="loc_us-gaap_PaymentsToAcquireProductiveAssets_E97B7C0221BE79CE53233CAA5A1BE923" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_6D8E4AC49E484E737B9F3CAA5A1A73FD" xlink:to="loc_us-gaap_PaymentsToAcquireProductiveAssets_E97B7C0221BE79CE53233CAA5A1BE923" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DepreciationDepletionAndAmortization" xlink:label="loc_us-gaap_DepreciationDepletionAndAmortization_8A0D53003DE156D6BB8C3CAA5A1B3BB2" xlink:type="locator" />
    <definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_6D8E4AC49E484E737B9F3CAA5A1A73FD" xlink:to="loc_us-gaap_DepreciationDepletionAndAmortization_8A0D53003DE156D6BB8C3CAA5A1B3BB2" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.meadjohnson.com/role/SegmentInformationDetails2" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_SegmentReportingInformationLineItems" xlink:label="loc_us-gaap_SegmentReportingInformationLineItems_F0093DAF41958DA2A0A96FA8E1F1B80F" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable" xlink:label="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_393FD0D3EB4F693CDA136FA8E1F0C1F0" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_F0093DAF41958DA2A0A96FA8E1F1B80F" xlink:to="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_393FD0D3EB4F693CDA136FA8E1F0C1F0" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ProductOrServiceAxis" xlink:label="loc_us-gaap_ProductOrServiceAxis_B39B2C6A9894C6DFEF056FA8E1F09519" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_393FD0D3EB4F693CDA136FA8E1F0C1F0" xlink:to="loc_us-gaap_ProductOrServiceAxis_B39B2C6A9894C6DFEF056FA8E1F09519" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ProductsAndServicesDomain" xlink:label="loc_us-gaap_ProductsAndServicesDomain_825E810EF570F0A09F446FA8E1F05C12_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ProductOrServiceAxis_B39B2C6A9894C6DFEF056FA8E1F09519" xlink:to="loc_us-gaap_ProductsAndServicesDomain_825E810EF570F0A09F446FA8E1F05C12_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ProductsAndServicesDomain" xlink:label="loc_us-gaap_ProductsAndServicesDomain_825E810EF570F0A09F446FA8E1F05C12" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ProductOrServiceAxis_B39B2C6A9894C6DFEF056FA8E1F09519" xlink:to="loc_us-gaap_ProductsAndServicesDomain_825E810EF570F0A09F446FA8E1F05C12" xlink:type="arc" />
    <loc xlink:href="mjn-20140422.xsd#mjn_InfantFormulaMember" xlink:label="loc_mjn_InfantFormulaMember_5D66980D46631FA561796FA8E1F0C240" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ProductsAndServicesDomain_825E810EF570F0A09F446FA8E1F05C12" xlink:to="loc_mjn_InfantFormulaMember_5D66980D46631FA561796FA8E1F0C240" xlink:type="arc" />
    <loc xlink:href="mjn-20140422.xsd#mjn_ChildrenNutritionMember" xlink:label="loc_mjn_ChildrenNutritionMember_632E57326BEB896A649E6FA8E1F073E3" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ProductsAndServicesDomain_825E810EF570F0A09F446FA8E1F05C12" xlink:to="loc_mjn_ChildrenNutritionMember_632E57326BEB896A649E6FA8E1F073E3" xlink:type="arc" />
    <loc xlink:href="mjn-20140422.xsd#mjn_OtherProductMember" xlink:label="loc_mjn_OtherProductMember_4DC785FAA0B6E3EC19D16FA8E1F13E7A" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ProductsAndServicesDomain_825E810EF570F0A09F446FA8E1F05C12" xlink:to="loc_mjn_OtherProductMember_4DC785FAA0B6E3EC19D16FA8E1F13E7A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_SalesRevenueGoodsNet" xlink:label="loc_us-gaap_SalesRevenueGoodsNet_F3A520ADFB060D520E386FA8E1F187A8" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_F0093DAF41958DA2A0A96FA8E1F1B80F" xlink:to="loc_us-gaap_SalesRevenueGoodsNet_F3A520ADFB060D520E386FA8E1F187A8" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.meadjohnson.com/role/SegmentInformationDetails3" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_RevenuesFromExternalCustomersAndLongLivedAssetsLineItems" xlink:label="loc_us-gaap_RevenuesFromExternalCustomersAndLongLivedAssetsLineItems_09DB887E00A52F6798456FA8E11FF894" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsTable" xlink:label="loc_us-gaap_ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsTable_977F6880B8790D887C556FA8E11E4C5B" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_RevenuesFromExternalCustomersAndLongLivedAssetsLineItems_09DB887E00A52F6798456FA8E11FF894" xlink:to="loc_us-gaap_ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsTable_977F6880B8790D887C556FA8E11E4C5B" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_StatementGeographicalAxis" xlink:label="loc_us-gaap_StatementGeographicalAxis_559A8509E612790E7FD16FA8E11EB8DC" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsTable_977F6880B8790D887C556FA8E11E4C5B" xlink:to="loc_us-gaap_StatementGeographicalAxis_559A8509E612790E7FD16FA8E11EB8DC" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_SegmentGeographicalDomain" xlink:label="loc_us-gaap_SegmentGeographicalDomain_6B36A642EBE78ABC76D66FA8E11EFF89_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementGeographicalAxis_559A8509E612790E7FD16FA8E11EB8DC" xlink:to="loc_us-gaap_SegmentGeographicalDomain_6B36A642EBE78ABC76D66FA8E11EFF89_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_SegmentGeographicalDomain" xlink:label="loc_us-gaap_SegmentGeographicalDomain_6B36A642EBE78ABC76D66FA8E11EFF89" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementGeographicalAxis_559A8509E612790E7FD16FA8E11EB8DC" xlink:to="loc_us-gaap_SegmentGeographicalDomain_6B36A642EBE78ABC76D66FA8E11EFF89" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/country/2013/country-2013-01-31.xsd#country_US" xlink:label="loc_country_US_1A0447A42BCE8E6CC2836FA8E11F74F0" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentGeographicalDomain_6B36A642EBE78ABC76D66FA8E11EFF89" xlink:to="loc_country_US_1A0447A42BCE8E6CC2836FA8E11F74F0" xlink:type="arc" />
    <loc xlink:href="mjn-20140422.xsd#mjn_ChinaHongKongMember" xlink:label="loc_mjn_ChinaHongKongMember_CEA8E5436B0AB9836A8C6FA8E11F47B1" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentGeographicalDomain_6B36A642EBE78ABC76D66FA8E11EFF89" xlink:to="loc_mjn_ChinaHongKongMember_CEA8E5436B0AB9836A8C6FA8E11F47B1" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/country/2013/country-2013-01-31.xsd#country_MX" xlink:label="loc_country_MX_01D6FF8D5BCBB95622706FA8E11FA156" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentGeographicalDomain_6B36A642EBE78ABC76D66FA8E11EFF89" xlink:to="loc_country_MX_01D6FF8D5BCBB95622706FA8E11FA156" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/country/2013/country-2013-01-31.xsd#country_SG" xlink:label="loc_country_SG_D8358CCF8422C858B5C46FA8E11FAF86" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentGeographicalDomain_6B36A642EBE78ABC76D66FA8E11EFF89" xlink:to="loc_country_SG_D8358CCF8422C858B5C46FA8E11FAF86" xlink:type="arc" />
    <loc xlink:href="mjn-20140422.xsd#mjn_OtherCountryMember" xlink:label="loc_mjn_OtherCountryMember_93D1B54F1C2C68A30E706FA8E11FA3F0" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentGeographicalDomain_6B36A642EBE78ABC76D66FA8E11EFF89" xlink:to="loc_mjn_OtherCountryMember_93D1B54F1C2C68A30E706FA8E11FA3F0" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_SalesRevenueGoodsNet" xlink:label="loc_us-gaap_SalesRevenueGoodsNet_3DD695A078215CD58B466FA8E11F6D84" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenuesFromExternalCustomersAndLongLivedAssetsLineItems_09DB887E00A52F6798456FA8E11FF894" xlink:to="loc_us-gaap_SalesRevenueGoodsNet_3DD695A078215CD58B466FA8E11F6D84" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_NoncurrentAssets" xlink:label="loc_us-gaap_NoncurrentAssets_A8AF24DC94A7437B534E6FA8E11F29A5" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenuesFromExternalCustomersAndLongLivedAssetsLineItems_09DB887E00A52F6798456FA8E11FF894" xlink:to="loc_us-gaap_NoncurrentAssets_A8AF24DC94A7437B534E6FA8E11F29A5" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.meadjohnson.com/role/SegmentInformationTables" xlink:type="extended" />
  <definitionLink xlink:role="http://www.meadjohnson.com/role/SelectedQuarterlyFinancialDataunaudited" xlink:type="extended" />
  <definitionLink xlink:role="http://www.meadjohnson.com/role/SelectedQuarterlyFinancialDataunauditedDetails" xlink:type="extended" />
  <definitionLink xlink:role="http://www.meadjohnson.com/role/SelectedQuarterlyFinancialDataunauditedTables" xlink:type="extended" />
</linkbase>
