<?xml version="1.0" encoding="US-ASCII" standalone="no"?>
<!-- Generated by Fujitsu XWand B0126 -->
<link:linkbase xmlns:link="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" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
  <link:roleRef roleURI="http://www.thompsoncreekmetals.com/role/BalanceSheet" xlink:href="tc-20101231.xsd#BalanceSheet" xlink:type="simple" />
  <link:roleRef roleURI="http://www.thompsoncreekmetals.com/role/StatementOfOperations" xlink:href="tc-20101231.xsd#StatementOfOperations" xlink:type="simple" />
  <link:roleRef roleURI="http://www.thompsoncreekmetals.com/role/CashFlows" xlink:href="tc-20101231.xsd#CashFlows" xlink:type="simple" />
  <link:roleRef roleURI="http://www.thompsoncreekmetals.com/role/StatementOfStockholdersEquity" xlink:href="tc-20101231.xsd#StatementOfStockholdersEquity" xlink:type="simple" />
  <link:roleRef roleURI="http://www.thompsoncreekmetals.com/role/DisclosureDescriptionOfBusiness" xlink:href="tc-20101231.xsd#DisclosureDescriptionOfBusiness" xlink:type="simple" />
  <link: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" />
  <link: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" />
  <link: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" />
  <link: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" />
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/all" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#all" xlink:type="simple" />
  <link:definitionLink xlink:role="http://www.thompsoncreekmetals.com/role/BalanceSheet" xlink:type="extended">
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_StatementLineItems" xlink:label="StatementLineItems" xlink:title="StatementLineItems" xlink:type="locator" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_StatementTable" xlink:label="StatementTable" xlink:title="StatementTable" xlink:type="locator" />
    <link:definitionArc order="10.0" xbrldt:closed="true" xbrldt:contextElement="segment" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="StatementLineItems" xlink:title="definition: StatementLineItems to StatementTable" xlink:to="StatementTable" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_StatementScenarioAxis" xlink:label="StatementScenarioAxis" xlink:title="StatementScenarioAxis" xlink:type="locator" />
    <link:definitionArc order="10.0" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="StatementTable" xlink:title="definition: StatementTable to StatementScenarioAxis" xlink:to="StatementScenarioAxis" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ScenarioUnspecifiedDomain" xlink:label="ScenarioUnspecifiedDomain" xlink:title="ScenarioUnspecifiedDomain" xlink:type="locator" />
    <link:definitionArc order="20.0" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="StatementScenarioAxis" xlink:title="definition: StatementScenarioAxis to ScenarioUnspecifiedDomain" xlink:to="ScenarioUnspecifiedDomain" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ScenarioUnspecifiedDomain" xlink:label="ScenarioUnspecifiedDomain_2" xlink:title="ScenarioUnspecifiedDomain" xlink:type="locator" />
    <link:definitionArc order="10.0" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="StatementScenarioAxis" xlink:title="definition: StatementScenarioAxis to ScenarioUnspecifiedDomain" xlink:to="ScenarioUnspecifiedDomain_2" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_StatementOfFinancialPositionAbstract" xlink:label="StatementOfFinancialPositionAbstract_2" xlink:title="StatementOfFinancialPositionAbstract" xlink:type="locator" />
    <link:definitionArc order="20.0" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="StatementLineItems" xlink:title="definition: StatementLineItems to StatementOfFinancialPositionAbstract" xlink:to="StatementOfFinancialPositionAbstract_2" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_StatementOfFinancialPositionAbstract" xlink:label="StatementOfFinancialPositionAbstract" xlink:title="StatementOfFinancialPositionAbstract" xlink:type="locator" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AssetsAbstract" xlink:label="AssetsAbstract" xlink:title="AssetsAbstract" xlink:type="locator" />
    <link:definitionArc order="10.0" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="StatementOfFinancialPositionAbstract" xlink:title="definition: StatementOfFinancialPositionAbstract to AssetsAbstract" xlink:to="AssetsAbstract" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AssetsCurrentAbstract" xlink:label="AssetsCurrentAbstract" xlink:title="AssetsCurrentAbstract" xlink:type="locator" />
    <link:definitionArc order="10.0" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="AssetsAbstract" xlink:title="definition: AssetsAbstract to AssetsCurrentAbstract" xlink:to="AssetsCurrentAbstract" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="CashAndCashEquivalentsAtCarryingValue" xlink:title="CashAndCashEquivalentsAtCarryingValue" xlink:type="locator" />
    <link:definitionArc order="10.0" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="AssetsCurrentAbstract" xlink:title="definition: AssetsCurrentAbstract to CashAndCashEquivalentsAtCarryingValue" xlink:to="CashAndCashEquivalentsAtCarryingValue" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_HeldToMaturitySecuritiesCurrent" xlink:label="HeldToMaturitySecuritiesCurrent" xlink:title="HeldToMaturitySecuritiesCurrent" xlink:type="locator" />
    <link:definitionArc order="20.0" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="AssetsCurrentAbstract" xlink:title="definition: AssetsCurrentAbstract to HeldToMaturitySecuritiesCurrent" xlink:to="HeldToMaturitySecuritiesCurrent" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AccountsReceivableNetCurrent" xlink:label="AccountsReceivableNetCurrent" xlink:title="AccountsReceivableNetCurrent" xlink:type="locator" />
    <link:definitionArc order="30.0" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="AssetsCurrentAbstract" xlink:title="definition: AssetsCurrentAbstract to AccountsReceivableNetCurrent" xlink:to="AccountsReceivableNetCurrent" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DueFromRelatedPartiesCurrent" xlink:label="DueFromRelatedPartiesCurrent" xlink:title="DueFromRelatedPartiesCurrent" xlink:type="locator" />
    <link:definitionArc order="40.0" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="AssetsCurrentAbstract" xlink:title="definition: AssetsCurrentAbstract to DueFromRelatedPartiesCurrent" xlink:to="DueFromRelatedPartiesCurrent" xlink:type="arc" />
    <link:loc xlink:href="tc-20101231.xsd#tc_ProductInventoryNet" xlink:label="ProductInventoryNet" xlink:title="ProductInventoryNet" xlink:type="locator" />
    <link:definitionArc order="50.0" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="AssetsCurrentAbstract" xlink:title="definition: AssetsCurrentAbstract to ProductInventoryNet" xlink:to="ProductInventoryNet" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_OtherInventorySupplies" xlink:label="OtherInventorySupplies" xlink:title="OtherInventorySupplies" xlink:type="locator" />
    <link:definitionArc order="60.0" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="AssetsCurrentAbstract" xlink:title="definition: AssetsCurrentAbstract to OtherInventorySupplies" xlink:to="OtherInventorySupplies" xlink:type="arc" />
    <link:loc xlink:href="tc-20101231.xsd#tc_PrepaidExpensesAndOtherAssetsCurrent" xlink:label="PrepaidExpensesAndOtherAssetsCurrent" xlink:title="PrepaidExpensesAndOtherAssetsCurrent" xlink:type="locator" />
    <link:definitionArc order="70.0" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="AssetsCurrentAbstract" xlink:title="definition: AssetsCurrentAbstract to PrepaidExpensesAndOtherAssetsCurrent" xlink:to="PrepaidExpensesAndOtherAssetsCurrent" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_IncomeTaxesReceivable" xlink:label="IncomeTaxesReceivable" xlink:title="IncomeTaxesReceivable" xlink:type="locator" />
    <link:definitionArc order="80.0" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="AssetsCurrentAbstract" xlink:title="definition: AssetsCurrentAbstract to IncomeTaxesReceivable" xlink:to="IncomeTaxesReceivable" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AssetsCurrent" xlink:label="AssetsCurrent" xlink:title="AssetsCurrent" xlink:type="locator" />
    <link:definitionArc order="90.0" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="AssetsCurrentAbstract" xlink:title="definition: AssetsCurrentAbstract to AssetsCurrent" xlink:to="AssetsCurrent" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_PropertyPlantAndEquipmentNet" xlink:label="PropertyPlantAndEquipmentNet" xlink:title="PropertyPlantAndEquipmentNet" xlink:type="locator" />
    <link:definitionArc order="20.0" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="AssetsAbstract" xlink:title="definition: AssetsAbstract to PropertyPlantAndEquipmentNet" xlink:to="PropertyPlantAndEquipmentNet" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_RestrictedCashAndCashEquivalentsNoncurrent" xlink:label="RestrictedCashAndCashEquivalentsNoncurrent" xlink:title="RestrictedCashAndCashEquivalentsNoncurrent" xlink:type="locator" />
    <link:definitionArc order="30.0" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="AssetsAbstract" xlink:title="definition: AssetsAbstract to RestrictedCashAndCashEquivalentsNoncurrent" xlink:to="RestrictedCashAndCashEquivalentsNoncurrent" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DepositsAssetsNoncurrent" xlink:label="DepositsAssetsNoncurrent" xlink:title="DepositsAssetsNoncurrent" xlink:type="locator" />
    <link:definitionArc order="40.0" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="AssetsAbstract" xlink:title="definition: AssetsAbstract to DepositsAssetsNoncurrent" xlink:to="DepositsAssetsNoncurrent" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_Goodwill" xlink:label="Goodwill" xlink:title="Goodwill" xlink:type="locator" />
    <link:definitionArc order="50.0" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="AssetsAbstract" xlink:title="definition: AssetsAbstract to Goodwill" xlink:to="Goodwill" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_OtherAssetsNoncurrent" xlink:label="OtherAssetsNoncurrent" xlink:title="OtherAssetsNoncurrent" xlink:type="locator" />
    <link:definitionArc order="60.0" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="AssetsAbstract" xlink:title="definition: AssetsAbstract to OtherAssetsNoncurrent" xlink:to="OtherAssetsNoncurrent" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_Assets" xlink:label="Assets" xlink:title="Assets" xlink:type="locator" />
    <link:definitionArc order="70.0" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="AssetsAbstract" xlink:title="definition: AssetsAbstract to Assets" xlink:to="Assets" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:label="LiabilitiesAndStockholdersEquityAbstract_2" xlink:title="LiabilitiesAndStockholdersEquityAbstract" xlink:type="locator" />
    <link:definitionArc order="20.0" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="StatementOfFinancialPositionAbstract" xlink:title="definition: StatementOfFinancialPositionAbstract to LiabilitiesAndStockholdersEquityAbstract" xlink:to="LiabilitiesAndStockholdersEquityAbstract_2" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:label="LiabilitiesAndStockholdersEquityAbstract" xlink:title="LiabilitiesAndStockholdersEquityAbstract" xlink:type="locator" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_LiabilitiesCurrentAbstract" xlink:label="LiabilitiesCurrentAbstract" xlink:title="LiabilitiesCurrentAbstract" xlink:type="locator" />
    <link:definitionArc order="10.0" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="LiabilitiesAndStockholdersEquityAbstract" xlink:title="definition: LiabilitiesAndStockholdersEquityAbstract to LiabilitiesCurrentAbstract" xlink:to="LiabilitiesCurrentAbstract" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent" xlink:label="AccountsPayableAndAccruedLiabilitiesCurrent" xlink:title="AccountsPayableAndAccruedLiabilitiesCurrent" xlink:type="locator" />
    <link:definitionArc order="10.0" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="LiabilitiesCurrentAbstract" xlink:title="definition: LiabilitiesCurrentAbstract to AccountsPayableAndAccruedLiabilitiesCurrent" xlink:to="AccountsPayableAndAccruedLiabilitiesCurrent" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AccruedIncomeTaxesCurrent" xlink:label="AccruedIncomeTaxesCurrent" xlink:title="AccruedIncomeTaxesCurrent" xlink:type="locator" />
    <link:definitionArc order="20.0" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="LiabilitiesCurrentAbstract" xlink:title="definition: LiabilitiesCurrentAbstract to AccruedIncomeTaxesCurrent" xlink:to="AccruedIncomeTaxesCurrent" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_LongTermDebtCurrent" xlink:label="LongTermDebtCurrent" xlink:title="LongTermDebtCurrent" xlink:type="locator" />
    <link:definitionArc order="30.0" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="LiabilitiesCurrentAbstract" xlink:title="definition: LiabilitiesCurrentAbstract to LongTermDebtCurrent" xlink:to="LongTermDebtCurrent" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DeferredTaxLiabilitiesCurrent" xlink:label="DeferredTaxLiabilitiesCurrent" xlink:title="DeferredTaxLiabilitiesCurrent" xlink:type="locator" />
    <link:definitionArc order="40.0" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="LiabilitiesCurrentAbstract" xlink:title="definition: LiabilitiesCurrentAbstract to DeferredTaxLiabilitiesCurrent" xlink:to="DeferredTaxLiabilitiesCurrent" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_OtherLiabilitiesCurrent" xlink:label="OtherLiabilitiesCurrent" xlink:title="OtherLiabilitiesCurrent" xlink:type="locator" />
    <link:definitionArc order="50.0" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="LiabilitiesCurrentAbstract" xlink:title="definition: LiabilitiesCurrentAbstract to OtherLiabilitiesCurrent" xlink:to="OtherLiabilitiesCurrent" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_LiabilitiesCurrent" xlink:label="LiabilitiesCurrent" xlink:title="LiabilitiesCurrent" xlink:type="locator" />
    <link:definitionArc order="60.0" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="LiabilitiesCurrentAbstract" xlink:title="definition: LiabilitiesCurrentAbstract to LiabilitiesCurrent" xlink:to="LiabilitiesCurrent" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_LongTermDebtNoncurrent" xlink:label="LongTermDebtNoncurrent" xlink:title="LongTermDebtNoncurrent" xlink:type="locator" />
    <link:definitionArc order="30.0" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="LiabilitiesAndStockholdersEquityAbstract" xlink:title="definition: LiabilitiesAndStockholdersEquityAbstract to LongTermDebtNoncurrent" xlink:to="LongTermDebtNoncurrent" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_OtherLiabilitiesNoncurrent" xlink:label="OtherLiabilitiesNoncurrent" xlink:title="OtherLiabilitiesNoncurrent" xlink:type="locator" />
    <link:definitionArc order="40.0" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="LiabilitiesAndStockholdersEquityAbstract" xlink:title="definition: LiabilitiesAndStockholdersEquityAbstract to OtherLiabilitiesNoncurrent" xlink:to="OtherLiabilitiesNoncurrent" xlink:type="arc" />
    <link:loc xlink:href="tc-20101231.xsd#tc_CommonStockWarrantDerivatives" xlink:label="CommonStockWarrantDerivatives" xlink:title="CommonStockWarrantDerivatives" xlink:type="locator" />
    <link:definitionArc order="60.0" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="LiabilitiesAndStockholdersEquityAbstract" xlink:title="definition: LiabilitiesAndStockholdersEquityAbstract to CommonStockWarrantDerivatives" xlink:to="CommonStockWarrantDerivatives" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DeferredTaxLiabilitiesNoncurrent" xlink:label="DeferredTaxLiabilitiesNoncurrent" xlink:title="DeferredTaxLiabilitiesNoncurrent" xlink:type="locator" />
    <link:definitionArc order="70.0" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="LiabilitiesAndStockholdersEquityAbstract" xlink:title="definition: LiabilitiesAndStockholdersEquityAbstract to DeferredTaxLiabilitiesNoncurrent" xlink:to="DeferredTaxLiabilitiesNoncurrent" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_Liabilities" xlink:label="Liabilities" xlink:title="Liabilities" xlink:type="locator" />
    <link:definitionArc order="80.0" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="LiabilitiesAndStockholdersEquityAbstract" xlink:title="definition: LiabilitiesAndStockholdersEquityAbstract to Liabilities" xlink:to="Liabilities" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_CommitmentsAndContingencies2009" xlink:label="CommitmentsAndContingencies2009" xlink:title="CommitmentsAndContingencies2009" xlink:type="locator" />
    <link:definitionArc order="90.0" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="LiabilitiesAndStockholdersEquityAbstract" xlink:title="definition: LiabilitiesAndStockholdersEquityAbstract to CommitmentsAndContingencies2009" xlink:to="CommitmentsAndContingencies2009" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract" xlink:label="StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_2" xlink:title="StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract" xlink:type="locator" />
    <link:definitionArc order="100.0" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="LiabilitiesAndStockholdersEquityAbstract" xlink:title="definition: LiabilitiesAndStockholdersEquityAbstract to StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract" xlink:to="StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_2" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract" xlink:label="StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract" xlink:title="StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract" xlink:type="locator" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_CommonStockValue" xlink:label="CommonStockValue" xlink:title="CommonStockValue" xlink:type="locator" />
    <link:definitionArc order="10.0" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract" xlink:title="definition: StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract to CommonStockValue" xlink:to="CommonStockValue" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AdditionalPaidInCapitalCommonStock" xlink:label="AdditionalPaidInCapitalCommonStock" xlink:title="AdditionalPaidInCapitalCommonStock" xlink:type="locator" />
    <link:definitionArc order="20.0" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract" xlink:title="definition: StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract to AdditionalPaidInCapitalCommonStock" xlink:to="AdditionalPaidInCapitalCommonStock" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_RetainedEarningsAccumulatedDeficit" xlink:label="RetainedEarningsAccumulatedDeficit" xlink:title="RetainedEarningsAccumulatedDeficit" xlink:type="locator" />
    <link:definitionArc order="30.0" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract" xlink:title="definition: StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract to RetainedEarningsAccumulatedDeficit" xlink:to="RetainedEarningsAccumulatedDeficit" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax" xlink:label="AccumulatedOtherComprehensiveIncomeLossNetOfTax" xlink:title="AccumulatedOtherComprehensiveIncomeLossNetOfTax" xlink:type="locator" />
    <link:definitionArc order="40.0" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract" xlink:title="definition: StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract to AccumulatedOtherComprehensiveIncomeLossNetOfTax" xlink:to="AccumulatedOtherComprehensiveIncomeLossNetOfTax" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:label="StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:title="StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:type="locator" />
    <link:definitionArc order="50.0" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract" xlink:title="definition: StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract to StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:to="StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquity" xlink:label="LiabilitiesAndStockholdersEquity" xlink:title="LiabilitiesAndStockholdersEquity" xlink:type="locator" />
    <link:definitionArc order="110.0" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="LiabilitiesAndStockholdersEquityAbstract" xlink:title="definition: LiabilitiesAndStockholdersEquityAbstract to LiabilitiesAndStockholdersEquity" xlink:to="LiabilitiesAndStockholdersEquity" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AssetRetirementObligationsNoncurrent" xlink:label="AssetRetirementObligationsNoncurrent" xlink:title="AssetRetirementObligationsNoncurrent" xlink:type="locator" />
    <link:definitionArc order="50.0" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="LiabilitiesAndStockholdersEquityAbstract" xlink:title="definition: LiabilitiesAndStockholdersEquityAbstract to AssetRetirementObligationsNoncurrent" xlink:to="AssetRetirementObligationsNoncurrent" xlink:type="arc" />
    <link:loc xlink:href="tc-20101231.xsd#tc_GoldStreamArrangementNoncurrent" xlink:label="GoldStreamArrangementNoncurrent" xlink:title="GoldStreamArrangementNoncurrent" xlink:type="locator" />
    <link:definitionArc order="20.0" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="LiabilitiesAndStockholdersEquityAbstract" xlink:title="definition: LiabilitiesAndStockholdersEquityAbstract to GoldStreamArrangementNoncurrent" xlink:to="GoldStreamArrangementNoncurrent" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.thompsoncreekmetals.com/role/StatementOfOperations" xlink:type="extended">
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_StatementLineItems" xlink:label="StatementLineItems" xlink:title="StatementLineItems" xlink:type="locator" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_StatementTable" xlink:label="StatementTable" xlink:title="StatementTable" xlink:type="locator" />
    <link:definitionArc order="10.0" xbrldt:closed="true" xbrldt:contextElement="segment" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="StatementLineItems" xlink:title="definition: StatementLineItems to StatementTable" xlink:to="StatementTable" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_StatementScenarioAxis" xlink:label="StatementScenarioAxis" xlink:title="StatementScenarioAxis" xlink:type="locator" />
    <link:definitionArc order="10.0" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="StatementTable" xlink:title="definition: StatementTable to StatementScenarioAxis" xlink:to="StatementScenarioAxis" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ScenarioUnspecifiedDomain" xlink:label="ScenarioUnspecifiedDomain" xlink:title="ScenarioUnspecifiedDomain" xlink:type="locator" />
    <link:definitionArc order="10.0" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="StatementScenarioAxis" xlink:title="definition: StatementScenarioAxis to ScenarioUnspecifiedDomain" xlink:to="ScenarioUnspecifiedDomain" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_IncomeStatementAbstract" xlink:label="IncomeStatementAbstract" xlink:title="IncomeStatementAbstract" xlink:type="locator" />
    <link:definitionArc order="20.0" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="StatementLineItems" xlink:title="definition: StatementLineItems to IncomeStatementAbstract" xlink:to="IncomeStatementAbstract" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_RevenuesAbstract" xlink:label="RevenuesAbstract" xlink:title="RevenuesAbstract" xlink:type="locator" />
    <link:definitionArc order="10.0" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="IncomeStatementAbstract" xlink:title="definition: IncomeStatementAbstract to RevenuesAbstract" xlink:to="RevenuesAbstract" xlink:type="arc" />
    <link:loc xlink:href="tc-20101231.xsd#tc_MolybdenumSales" xlink:label="MolybdenumSales" xlink:title="MolybdenumSales" xlink:type="locator" />
    <link:definitionArc order="10.0" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="RevenuesAbstract" xlink:title="definition: RevenuesAbstract to MolybdenumSales" xlink:to="MolybdenumSales" xlink:type="arc" />
    <link:loc xlink:href="tc-20101231.xsd#tc_TollingCalciningAndOtherRevenue" xlink:label="TollingCalciningAndOtherRevenue" xlink:title="TollingCalciningAndOtherRevenue" xlink:type="locator" />
    <link:definitionArc order="20.0" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="RevenuesAbstract" xlink:title="definition: RevenuesAbstract to TollingCalciningAndOtherRevenue" xlink:to="TollingCalciningAndOtherRevenue" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_Revenues" xlink:label="Revenues" xlink:title="Revenues" xlink:type="locator" />
    <link:definitionArc order="30.0" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="RevenuesAbstract" xlink:title="definition: RevenuesAbstract to Revenues" xlink:to="Revenues" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_CostsAndExpensesAbstract" xlink:label="CostsAndExpensesAbstract" xlink:title="CostsAndExpensesAbstract" xlink:type="locator" />
    <link:definitionArc order="20.0" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="IncomeStatementAbstract" xlink:title="definition: IncomeStatementAbstract to CostsAndExpensesAbstract" xlink:to="CostsAndExpensesAbstract" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_CostOfRevenueAbstract" xlink:label="CostOfRevenueAbstract" xlink:title="CostOfRevenueAbstract" xlink:type="locator" />
    <link:definitionArc order="10.0" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="CostsAndExpensesAbstract" xlink:title="definition: CostsAndExpensesAbstract to CostOfRevenueAbstract" xlink:to="CostOfRevenueAbstract" xlink:type="arc" />
    <link:loc xlink:href="tc-20101231.xsd#tc_OperatingExpense" xlink:label="OperatingExpense" xlink:title="OperatingExpense" xlink:type="locator" />
    <link:definitionArc order="10.0" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="CostOfRevenueAbstract" xlink:title="definition: CostOfRevenueAbstract to OperatingExpense" xlink:to="OperatingExpense" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DepreciationDepletionAndAmortization" xlink:label="DepreciationDepletionAndAmortization" xlink:title="DepreciationDepletionAndAmortization" xlink:type="locator" />
    <link:definitionArc order="20.0" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="CostOfRevenueAbstract" xlink:title="definition: CostOfRevenueAbstract to DepreciationDepletionAndAmortization" xlink:to="DepreciationDepletionAndAmortization" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_CostOfRevenue" xlink:label="CostOfRevenue" xlink:title="CostOfRevenue" xlink:type="locator" />
    <link:definitionArc order="30.0" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="CostOfRevenueAbstract" xlink:title="definition: CostOfRevenueAbstract to CostOfRevenue" xlink:to="CostOfRevenue" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_SellingAndMarketingExpense" xlink:label="SellingAndMarketingExpense" xlink:title="SellingAndMarketingExpense" xlink:type="locator" />
    <link:definitionArc order="20.0" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="CostsAndExpensesAbstract" xlink:title="definition: CostsAndExpensesAbstract to SellingAndMarketingExpense" xlink:to="SellingAndMarketingExpense" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AssetRetirementObligationAccretionExpense" xlink:label="AssetRetirementObligationAccretionExpense" xlink:title="AssetRetirementObligationAccretionExpense" xlink:type="locator" />
    <link:definitionArc order="30.0" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="CostsAndExpensesAbstract" xlink:title="definition: CostsAndExpensesAbstract to AssetRetirementObligationAccretionExpense" xlink:to="AssetRetirementObligationAccretionExpense" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_GeneralAndAdministrativeExpense" xlink:label="GeneralAndAdministrativeExpense" xlink:title="GeneralAndAdministrativeExpense" xlink:type="locator" />
    <link:definitionArc order="40.0" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="CostsAndExpensesAbstract" xlink:title="definition: CostsAndExpensesAbstract to GeneralAndAdministrativeExpense" xlink:to="GeneralAndAdministrativeExpense" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AcquisitionCosts" xlink:label="AcquisitionCosts" xlink:title="AcquisitionCosts" xlink:type="locator" />
    <link:definitionArc order="50.0" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="CostsAndExpensesAbstract" xlink:title="definition: CostsAndExpensesAbstract to AcquisitionCosts" xlink:to="AcquisitionCosts" xlink:type="arc" />
    <link:loc xlink:href="tc-20101231.xsd#tc_Exploration" xlink:label="Exploration" xlink:title="Exploration" xlink:type="locator" />
    <link:definitionArc order="60.0" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="CostsAndExpensesAbstract" xlink:title="definition: CostsAndExpensesAbstract to Exploration" xlink:to="Exploration" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_CostsAndExpenses" xlink:label="CostsAndExpenses" xlink:title="CostsAndExpenses" xlink:type="locator" />
    <link:definitionArc order="70.0" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="CostsAndExpensesAbstract" xlink:title="definition: CostsAndExpensesAbstract to CostsAndExpenses" xlink:to="CostsAndExpenses" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_OperatingIncomeLoss" xlink:label="OperatingIncomeLoss" xlink:title="OperatingIncomeLoss" xlink:type="locator" />
    <link:definitionArc order="30.0" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="IncomeStatementAbstract" xlink:title="definition: IncomeStatementAbstract to OperatingIncomeLoss" xlink:to="OperatingIncomeLoss" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_NonoperatingIncomeExpenseAbstract" xlink:label="NonoperatingIncomeExpenseAbstract" xlink:title="NonoperatingIncomeExpenseAbstract" xlink:type="locator" />
    <link:definitionArc order="40.0" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="IncomeStatementAbstract" xlink:title="definition: IncomeStatementAbstract to NonoperatingIncomeExpenseAbstract" xlink:to="NonoperatingIncomeExpenseAbstract" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_GoodwillImpairmentLoss" xlink:label="GoodwillImpairmentLoss" xlink:title="GoodwillImpairmentLoss" xlink:type="locator" />
    <link:definitionArc order="10.0" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="NonoperatingIncomeExpenseAbstract" xlink:title="definition: NonoperatingIncomeExpenseAbstract to GoodwillImpairmentLoss" xlink:to="GoodwillImpairmentLoss" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ForeignCurrencyTransactionGainLossBeforeTax" xlink:label="ForeignCurrencyTransactionGainLossBeforeTax" xlink:title="ForeignCurrencyTransactionGainLossBeforeTax" xlink:type="locator" />
    <link:definitionArc order="20.0" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="NonoperatingIncomeExpenseAbstract" xlink:title="definition: NonoperatingIncomeExpenseAbstract to ForeignCurrencyTransactionGainLossBeforeTax" xlink:to="ForeignCurrencyTransactionGainLossBeforeTax" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_InvestmentIncomeInterest" xlink:label="InvestmentIncomeInterest" xlink:title="InvestmentIncomeInterest" xlink:type="locator" />
    <link:definitionArc order="40.0" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="NonoperatingIncomeExpenseAbstract" xlink:title="definition: NonoperatingIncomeExpenseAbstract to InvestmentIncomeInterest" xlink:to="InvestmentIncomeInterest" xlink:type="arc" />
    <link:loc xlink:href="tc-20101231.xsd#tc_ChangeInFairValueOfCommonStockWarrantDerivatives" xlink:label="ChangeInFairValueOfCommonStockWarrantDerivatives" xlink:title="ChangeInFairValueOfCommonStockWarrantDerivatives" xlink:type="locator" />
    <link:definitionArc order="50.0" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="NonoperatingIncomeExpenseAbstract" xlink:title="definition: NonoperatingIncomeExpenseAbstract to ChangeInFairValueOfCommonStockWarrantDerivatives" xlink:to="ChangeInFairValueOfCommonStockWarrantDerivatives" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_OtherNonoperatingIncomeExpense" xlink:label="OtherNonoperatingIncomeExpense" xlink:title="OtherNonoperatingIncomeExpense" xlink:type="locator" />
    <link:definitionArc order="60.0" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="NonoperatingIncomeExpenseAbstract" xlink:title="definition: NonoperatingIncomeExpenseAbstract to OtherNonoperatingIncomeExpense" xlink:to="OtherNonoperatingIncomeExpense" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_NonoperatingIncomeExpense" xlink:label="NonoperatingIncomeExpense" xlink:title="NonoperatingIncomeExpense" xlink:type="locator" />
    <link:definitionArc order="70.0" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="NonoperatingIncomeExpenseAbstract" xlink:title="definition: NonoperatingIncomeExpenseAbstract to NonoperatingIncomeExpense" xlink:to="NonoperatingIncomeExpense" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_InterestExpense" xlink:label="InterestExpense" xlink:title="InterestExpense" xlink:type="locator" />
    <link:definitionArc order="30.0" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="NonoperatingIncomeExpenseAbstract" xlink:title="definition: NonoperatingIncomeExpenseAbstract to InterestExpense" xlink:to="InterestExpense" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments" xlink:label="IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments" xlink:title="IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments" xlink:type="locator" />
    <link:definitionArc order="50.0" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="IncomeStatementAbstract" xlink:title="definition: IncomeStatementAbstract to IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments" xlink:to="IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_IncomeTaxExpenseBenefitAbstract" xlink:label="IncomeTaxExpenseBenefitAbstract" xlink:title="IncomeTaxExpenseBenefitAbstract" xlink:type="locator" />
    <link:definitionArc order="60.0" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="IncomeStatementAbstract" xlink:title="definition: IncomeStatementAbstract to IncomeTaxExpenseBenefitAbstract" xlink:to="IncomeTaxExpenseBenefitAbstract" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_CurrentIncomeTaxExpenseBenefit" xlink:label="CurrentIncomeTaxExpenseBenefit" xlink:title="CurrentIncomeTaxExpenseBenefit" xlink:type="locator" />
    <link:definitionArc order="10.0" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="IncomeTaxExpenseBenefitAbstract" xlink:title="definition: IncomeTaxExpenseBenefitAbstract to CurrentIncomeTaxExpenseBenefit" xlink:to="CurrentIncomeTaxExpenseBenefit" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DeferredIncomeTaxExpenseBenefit" xlink:label="DeferredIncomeTaxExpenseBenefit" xlink:title="DeferredIncomeTaxExpenseBenefit" xlink:type="locator" />
    <link:definitionArc order="20.0" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="IncomeTaxExpenseBenefitAbstract" xlink:title="definition: IncomeTaxExpenseBenefitAbstract to DeferredIncomeTaxExpenseBenefit" xlink:to="DeferredIncomeTaxExpenseBenefit" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_IncomeTaxExpenseBenefit" xlink:label="IncomeTaxExpenseBenefit" xlink:title="IncomeTaxExpenseBenefit" xlink:type="locator" />
    <link:definitionArc order="30.0" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="IncomeTaxExpenseBenefitAbstract" xlink:title="definition: IncomeTaxExpenseBenefitAbstract to IncomeTaxExpenseBenefit" xlink:to="IncomeTaxExpenseBenefit" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ProfitLoss" xlink:label="ProfitLoss" xlink:title="ProfitLoss" xlink:type="locator" />
    <link:definitionArc order="70.0" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="IncomeStatementAbstract" xlink:title="definition: IncomeStatementAbstract to ProfitLoss" xlink:to="ProfitLoss" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_EarningsPerShareAbstract" xlink:label="EarningsPerShareAbstract" xlink:title="EarningsPerShareAbstract" xlink:type="locator" />
    <link:definitionArc order="80.0" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="IncomeStatementAbstract" xlink:title="definition: IncomeStatementAbstract to EarningsPerShareAbstract" xlink:to="EarningsPerShareAbstract" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_EarningsPerShareBasic" xlink:label="EarningsPerShareBasic" xlink:title="EarningsPerShareBasic" xlink:type="locator" />
    <link:definitionArc order="10.0" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="EarningsPerShareAbstract" xlink:title="definition: EarningsPerShareAbstract to EarningsPerShareBasic" xlink:to="EarningsPerShareBasic" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_EarningsPerShareDiluted" xlink:label="EarningsPerShareDiluted" xlink:title="EarningsPerShareDiluted" xlink:type="locator" />
    <link:definitionArc order="20.0" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="EarningsPerShareAbstract" xlink:title="definition: EarningsPerShareAbstract to EarningsPerShareDiluted" xlink:to="EarningsPerShareDiluted" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract" xlink:label="WeightedAverageNumberOfSharesOutstandingAbstract" xlink:title="WeightedAverageNumberOfSharesOutstandingAbstract" xlink:type="locator" />
    <link:definitionArc order="90.0" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="IncomeStatementAbstract" xlink:title="definition: IncomeStatementAbstract to WeightedAverageNumberOfSharesOutstandingAbstract" xlink:to="WeightedAverageNumberOfSharesOutstandingAbstract" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" xlink:label="WeightedAverageNumberOfSharesOutstandingBasic" xlink:title="WeightedAverageNumberOfSharesOutstandingBasic" xlink:type="locator" />
    <link:definitionArc order="10.0" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="WeightedAverageNumberOfSharesOutstandingAbstract" xlink:title="definition: WeightedAverageNumberOfSharesOutstandingAbstract to WeightedAverageNumberOfSharesOutstandingBasic" xlink:to="WeightedAverageNumberOfSharesOutstandingBasic" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xlink:label="WeightedAverageNumberOfDilutedSharesOutstanding" xlink:title="WeightedAverageNumberOfDilutedSharesOutstanding" xlink:type="locator" />
    <link:definitionArc order="20.0" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="WeightedAverageNumberOfSharesOutstandingAbstract" xlink:title="definition: WeightedAverageNumberOfSharesOutstandingAbstract to WeightedAverageNumberOfDilutedSharesOutstanding" xlink:to="WeightedAverageNumberOfDilutedSharesOutstanding" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.thompsoncreekmetals.com/role/CashFlows" xlink:type="extended">
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_StatementLineItems" xlink:label="StatementLineItems" xlink:title="StatementLineItems" xlink:type="locator" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_StatementTable" xlink:label="StatementTable" xlink:title="StatementTable" xlink:type="locator" />
    <link:definitionArc order="10.0" xbrldt:closed="true" xbrldt:contextElement="segment" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="StatementLineItems" xlink:title="definition: StatementLineItems to StatementTable" xlink:to="StatementTable" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_StatementScenarioAxis" xlink:label="StatementScenarioAxis" xlink:title="StatementScenarioAxis" xlink:type="locator" />
    <link:definitionArc order="10.0" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="StatementTable" xlink:title="definition: StatementTable to StatementScenarioAxis" xlink:to="StatementScenarioAxis" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ScenarioUnspecifiedDomain" xlink:label="ScenarioUnspecifiedDomain" xlink:title="ScenarioUnspecifiedDomain" xlink:type="locator" />
    <link:definitionArc order="10.0" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="StatementScenarioAxis" xlink:title="definition: StatementScenarioAxis to ScenarioUnspecifiedDomain" xlink:to="ScenarioUnspecifiedDomain" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_StatementOfCashFlowsAbstract" xlink:label="StatementOfCashFlowsAbstract" xlink:title="StatementOfCashFlowsAbstract" xlink:type="locator" />
    <link:definitionArc order="20.0" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="StatementLineItems" xlink:title="definition: StatementLineItems to StatementOfCashFlowsAbstract" xlink:to="StatementOfCashFlowsAbstract" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract" xlink:label="NetCashProvidedByUsedInOperatingActivitiesAbstract" xlink:title="NetCashProvidedByUsedInOperatingActivitiesAbstract" xlink:type="locator" />
    <link:definitionArc order="10.0" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="StatementOfCashFlowsAbstract" xlink:title="definition: StatementOfCashFlowsAbstract to NetCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="NetCashProvidedByUsedInOperatingActivitiesAbstract" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ProfitLoss" xlink:label="ProfitLoss" xlink:title="ProfitLoss" xlink:type="locator" />
    <link:definitionArc order="10.0" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="NetCashProvidedByUsedInOperatingActivitiesAbstract" xlink:title="definition: NetCashProvidedByUsedInOperatingActivitiesAbstract to ProfitLoss" xlink:to="ProfitLoss" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:label="AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:title="AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:type="locator" />
    <link:definitionArc order="20.0" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="NetCashProvidedByUsedInOperatingActivitiesAbstract" xlink:title="definition: NetCashProvidedByUsedInOperatingActivitiesAbstract to AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_GoodwillImpairmentLoss" xlink:label="GoodwillImpairmentLoss" xlink:title="GoodwillImpairmentLoss" xlink:type="locator" />
    <link:definitionArc order="10.0" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:title="definition: AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract to GoodwillImpairmentLoss" xlink:to="GoodwillImpairmentLoss" xlink:type="arc" />
    <link:loc xlink:href="tc-20101231.xsd#tc_ChangeInFairValueOfCommonStockWarrantDerivatives" xlink:label="ChangeInFairValueOfCommonStockWarrantDerivatives" xlink:title="ChangeInFairValueOfCommonStockWarrantDerivatives" xlink:type="locator" />
    <link:definitionArc order="20.0" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:title="definition: AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract to ChangeInFairValueOfCommonStockWarrantDerivatives" xlink:to="ChangeInFairValueOfCommonStockWarrantDerivatives" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DepreciationDepletionAndAmortization" xlink:label="DepreciationDepletionAndAmortization" xlink:title="DepreciationDepletionAndAmortization" xlink:type="locator" />
    <link:definitionArc order="30.0" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:title="definition: AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract to DepreciationDepletionAndAmortization" xlink:to="DepreciationDepletionAndAmortization" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AssetRetirementObligationAccretionExpense" xlink:label="AssetRetirementObligationAccretionExpense" xlink:title="AssetRetirementObligationAccretionExpense" xlink:type="locator" />
    <link:definitionArc order="40.0" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:title="definition: AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract to AssetRetirementObligationAccretionExpense" xlink:to="AssetRetirementObligationAccretionExpense" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ShareBasedCompensation" xlink:label="ShareBasedCompensation" xlink:title="ShareBasedCompensation" xlink:type="locator" />
    <link:definitionArc order="60.0" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:title="definition: AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract to ShareBasedCompensation" xlink:to="ShareBasedCompensation" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DeferredIncomeTaxExpenseBenefit" xlink:label="DeferredIncomeTaxExpenseBenefit" xlink:title="DeferredIncomeTaxExpenseBenefit" xlink:type="locator" />
    <link:definitionArc order="70.0" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:title="definition: AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract to DeferredIncomeTaxExpenseBenefit" xlink:to="DeferredIncomeTaxExpenseBenefit" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_UnrealizedGainLossOnDerivatives" xlink:label="UnrealizedGainLossOnDerivatives" xlink:title="UnrealizedGainLossOnDerivatives" xlink:type="locator" />
    <link:definitionArc order="80.0" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:title="definition: AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract to UnrealizedGainLossOnDerivatives" xlink:to="UnrealizedGainLossOnDerivatives" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AmortizationOfFinancingCostsAndDiscounts" xlink:label="AmortizationOfFinancingCostsAndDiscounts" xlink:title="AmortizationOfFinancingCostsAndDiscounts" xlink:type="locator" />
    <link:definitionArc order="50.0" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:title="definition: AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract to AmortizationOfFinancingCostsAndDiscounts" xlink:to="AmortizationOfFinancingCostsAndDiscounts" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_IncreaseDecreaseInOperatingCapital" xlink:label="IncreaseDecreaseInOperatingCapital" xlink:title="IncreaseDecreaseInOperatingCapital" xlink:type="locator" />
    <link:definitionArc order="30.0" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="NetCashProvidedByUsedInOperatingActivitiesAbstract" xlink:title="definition: NetCashProvidedByUsedInOperatingActivitiesAbstract to IncreaseDecreaseInOperatingCapital" xlink:to="IncreaseDecreaseInOperatingCapital" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:label="NetCashProvidedByUsedInOperatingActivities" xlink:title="NetCashProvidedByUsedInOperatingActivities" xlink:type="locator" />
    <link:definitionArc order="40.0" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="NetCashProvidedByUsedInOperatingActivitiesAbstract" xlink:title="definition: NetCashProvidedByUsedInOperatingActivitiesAbstract to NetCashProvidedByUsedInOperatingActivities" xlink:to="NetCashProvidedByUsedInOperatingActivities" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:label="NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:title="NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:type="locator" />
    <link:definitionArc order="20.0" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="StatementOfCashFlowsAbstract" xlink:title="definition: StatementOfCashFlowsAbstract to NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:to="NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_PaymentsToAcquireHeldToMaturitySecurities" xlink:label="PaymentsToAcquireHeldToMaturitySecurities" xlink:title="PaymentsToAcquireHeldToMaturitySecurities" xlink:type="locator" />
    <link:definitionArc order="10.0" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:title="definition: NetCashProvidedByUsedInInvestingActivitiesAbstract to PaymentsToAcquireHeldToMaturitySecurities" xlink:to="PaymentsToAcquireHeldToMaturitySecurities" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_PaymentsToAcquirePropertyPlantAndEquipment" xlink:label="PaymentsToAcquirePropertyPlantAndEquipment" xlink:title="PaymentsToAcquirePropertyPlantAndEquipment" xlink:type="locator" />
    <link:definitionArc order="20.0" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:title="definition: NetCashProvidedByUsedInInvestingActivitiesAbstract to PaymentsToAcquirePropertyPlantAndEquipment" xlink:to="PaymentsToAcquirePropertyPlantAndEquipment" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_IncreaseDecreaseInRestrictedCash" xlink:label="IncreaseDecreaseInRestrictedCash" xlink:title="IncreaseDecreaseInRestrictedCash" xlink:type="locator" />
    <link:definitionArc order="30.0" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:title="definition: NetCashProvidedByUsedInInvestingActivitiesAbstract to IncreaseDecreaseInRestrictedCash" xlink:to="IncreaseDecreaseInRestrictedCash" xlink:type="arc" />
    <link:loc xlink:href="tc-20101231.xsd#tc_PaymentsForReclamationDeposits" xlink:label="PaymentsForReclamationDeposits" xlink:title="PaymentsForReclamationDeposits" xlink:type="locator" />
    <link:definitionArc order="40.0" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:title="definition: NetCashProvidedByUsedInInvestingActivitiesAbstract to PaymentsForReclamationDeposits" xlink:to="PaymentsForReclamationDeposits" xlink:type="arc" />
    <link:loc xlink:href="tc-20101231.xsd#tc_ProceedsFromReclamationRefund" xlink:label="ProceedsFromReclamationRefund" xlink:title="ProceedsFromReclamationRefund" xlink:type="locator" />
    <link:definitionArc order="50.0" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:title="definition: NetCashProvidedByUsedInInvestingActivitiesAbstract to ProceedsFromReclamationRefund" xlink:to="ProceedsFromReclamationRefund" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired" xlink:label="PaymentsToAcquireBusinessesNetOfCashAcquired" xlink:title="PaymentsToAcquireBusinessesNetOfCashAcquired" xlink:type="locator" />
    <link:definitionArc order="60.0" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:title="definition: NetCashProvidedByUsedInInvestingActivitiesAbstract to PaymentsToAcquireBusinessesNetOfCashAcquired" xlink:to="PaymentsToAcquireBusinessesNetOfCashAcquired" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities" xlink:label="NetCashProvidedByUsedInInvestingActivities" xlink:title="NetCashProvidedByUsedInInvestingActivities" xlink:type="locator" />
    <link:definitionArc order="70.0" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:title="definition: NetCashProvidedByUsedInInvestingActivitiesAbstract to NetCashProvidedByUsedInInvestingActivities" xlink:to="NetCashProvidedByUsedInInvestingActivities" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:label="NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:title="NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:type="locator" />
    <link:definitionArc order="30.0" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="StatementOfCashFlowsAbstract" xlink:title="definition: StatementOfCashFlowsAbstract to NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:to="NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ProceedsFromIssuanceOfCommonStock" xlink:label="ProceedsFromIssuanceOfCommonStock" xlink:title="ProceedsFromIssuanceOfCommonStock" xlink:type="locator" />
    <link:definitionArc order="10.0" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:title="definition: NetCashProvidedByUsedInFinancingActivitiesAbstract to ProceedsFromIssuanceOfCommonStock" xlink:to="ProceedsFromIssuanceOfCommonStock" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_PaymentsForRepurchaseOfCommonStock" xlink:label="PaymentsForRepurchaseOfCommonStock" xlink:title="PaymentsForRepurchaseOfCommonStock" xlink:type="locator" />
    <link:definitionArc order="20.0" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:title="definition: NetCashProvidedByUsedInFinancingActivitiesAbstract to PaymentsForRepurchaseOfCommonStock" xlink:to="PaymentsForRepurchaseOfCommonStock" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_PaymentsOfDebtIssuanceCosts" xlink:label="PaymentsOfDebtIssuanceCosts" xlink:title="PaymentsOfDebtIssuanceCosts" xlink:type="locator" />
    <link:definitionArc order="30.0" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:title="definition: NetCashProvidedByUsedInFinancingActivitiesAbstract to PaymentsOfDebtIssuanceCosts" xlink:to="PaymentsOfDebtIssuanceCosts" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_RepaymentsOfLongTermDebt" xlink:label="RepaymentsOfLongTermDebt" xlink:title="RepaymentsOfLongTermDebt" xlink:type="locator" />
    <link:definitionArc order="40.0" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:title="definition: NetCashProvidedByUsedInFinancingActivitiesAbstract to RepaymentsOfLongTermDebt" xlink:to="RepaymentsOfLongTermDebt" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ProceedsFromIssuanceOfLongTermDebt" xlink:label="ProceedsFromIssuanceOfLongTermDebt" xlink:title="ProceedsFromIssuanceOfLongTermDebt" xlink:type="locator" />
    <link:definitionArc order="60.0" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:title="definition: NetCashProvidedByUsedInFinancingActivitiesAbstract to ProceedsFromIssuanceOfLongTermDebt" xlink:to="ProceedsFromIssuanceOfLongTermDebt" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:label="NetCashProvidedByUsedInFinancingActivities" xlink:title="NetCashProvidedByUsedInFinancingActivities" xlink:type="locator" />
    <link:definitionArc order="70.0" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:title="definition: NetCashProvidedByUsedInFinancingActivitiesAbstract to NetCashProvidedByUsedInFinancingActivities" xlink:to="NetCashProvidedByUsedInFinancingActivities" xlink:type="arc" />
    <link:loc xlink:href="tc-20101231.xsd#tc_ProceedsFromDepositsReceivedUnderArrangement" xlink:label="ProceedsFromDepositsReceivedUnderArrangement" xlink:title="ProceedsFromDepositsReceivedUnderArrangement" xlink:type="locator" />
    <link:definitionArc order="50.0" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:title="definition: NetCashProvidedByUsedInFinancingActivitiesAbstract to ProceedsFromDepositsReceivedUnderArrangement" xlink:to="ProceedsFromDepositsReceivedUnderArrangement" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents" xlink:label="EffectOfExchangeRateOnCashAndCashEquivalents" xlink:title="EffectOfExchangeRateOnCashAndCashEquivalents" xlink:type="locator" />
    <link:definitionArc order="40.0" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="StatementOfCashFlowsAbstract" xlink:title="definition: StatementOfCashFlowsAbstract to EffectOfExchangeRateOnCashAndCashEquivalents" xlink:to="EffectOfExchangeRateOnCashAndCashEquivalents" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease" xlink:label="CashAndCashEquivalentsPeriodIncreaseDecrease" xlink:title="CashAndCashEquivalentsPeriodIncreaseDecrease" xlink:type="locator" />
    <link:definitionArc order="50.0" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="StatementOfCashFlowsAbstract" xlink:title="definition: StatementOfCashFlowsAbstract to CashAndCashEquivalentsPeriodIncreaseDecrease" xlink:to="CashAndCashEquivalentsPeriodIncreaseDecrease" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="CashAndCashEquivalentsAtCarryingValue" xlink:title="CashAndCashEquivalentsAtCarryingValue" xlink:type="locator" />
    <link:definitionArc order="60.0" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="StatementOfCashFlowsAbstract" xlink:title="definition: StatementOfCashFlowsAbstract to CashAndCashEquivalentsAtCarryingValue" xlink:to="CashAndCashEquivalentsAtCarryingValue" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_SupplementalCashFlowInformationRelatedText" xlink:label="SupplementalCashFlowInformationRelatedText" xlink:title="SupplementalCashFlowInformationRelatedText" xlink:type="locator" />
    <link:definitionArc order="70.0" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="StatementOfCashFlowsAbstract" xlink:title="definition: StatementOfCashFlowsAbstract to SupplementalCashFlowInformationRelatedText" xlink:to="SupplementalCashFlowInformationRelatedText" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.thompsoncreekmetals.com/role/StatementOfStockholdersEquity" xlink:type="extended">
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_StatementLineItems" xlink:label="StatementLineItems" xlink:title="StatementLineItems" xlink:type="locator" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_StatementTable" xlink:label="StatementTable" xlink:title="StatementTable" xlink:type="locator" />
    <link:definitionArc order="10.0" xbrldt:closed="true" xbrldt:contextElement="segment" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="StatementLineItems" xlink:title="definition: StatementLineItems to StatementTable" xlink:to="StatementTable" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_StatementEquityComponentsAxis" xlink:label="StatementEquityComponentsAxis_2" xlink:title="StatementEquityComponentsAxis" xlink:type="locator" />
    <link:definitionArc order="10.0" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="StatementTable" xlink:title="definition: StatementTable to StatementEquityComponentsAxis" xlink:to="StatementEquityComponentsAxis_2" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_StatementEquityComponentsAxis" xlink:label="StatementEquityComponentsAxis" xlink:title="StatementEquityComponentsAxis" xlink:type="locator" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_EquityComponentDomain" xlink:label="EquityComponentDomain" xlink:title="EquityComponentDomain" xlink:type="locator" />
    <link:definitionArc order="10.0" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="StatementEquityComponentsAxis" xlink:title="definition: StatementEquityComponentsAxis to EquityComponentDomain" xlink:to="EquityComponentDomain" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_EquityComponentDomain" xlink:label="EquityComponentDomain_2" xlink:title="EquityComponentDomain" xlink:type="locator" />
    <link:definitionArc order="20.0" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="StatementEquityComponentsAxis" xlink:title="definition: StatementEquityComponentsAxis to EquityComponentDomain" xlink:to="EquityComponentDomain_2" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_CommonStockMember" xlink:label="CommonStockMember" xlink:title="CommonStockMember" xlink:type="locator" />
    <link:definitionArc order="10.0" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="EquityComponentDomain" xlink:title="definition: EquityComponentDomain to CommonStockMember" xlink:to="CommonStockMember" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AdditionalPaidInCapitalMember" xlink:label="AdditionalPaidInCapitalMember" xlink:title="AdditionalPaidInCapitalMember" xlink:type="locator" />
    <link:definitionArc order="20.0" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="EquityComponentDomain" xlink:title="definition: EquityComponentDomain to AdditionalPaidInCapitalMember" xlink:to="AdditionalPaidInCapitalMember" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_RetainedEarningsMember" xlink:label="RetainedEarningsMember" xlink:title="RetainedEarningsMember" xlink:type="locator" />
    <link:definitionArc order="30.0" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="EquityComponentDomain" xlink:title="definition: EquityComponentDomain to RetainedEarningsMember" xlink:to="RetainedEarningsMember" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_WarrantsMember" xlink:label="WarrantsMember" xlink:title="WarrantsMember" xlink:type="locator" />
    <link:definitionArc order="40.0" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="EquityComponentDomain" xlink:title="definition: EquityComponentDomain to WarrantsMember" xlink:to="WarrantsMember" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeMember" xlink:label="AccumulatedOtherComprehensiveIncomeMember" xlink:title="AccumulatedOtherComprehensiveIncomeMember" xlink:type="locator" />
    <link:definitionArc order="50.0" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="EquityComponentDomain" xlink:title="definition: EquityComponentDomain to AccumulatedOtherComprehensiveIncomeMember" xlink:to="AccumulatedOtherComprehensiveIncomeMember" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ComprehensiveIncomeMember" xlink:label="ComprehensiveIncomeMember" xlink:title="ComprehensiveIncomeMember" xlink:type="locator" />
    <link:definitionArc order="60.0" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="EquityComponentDomain" xlink:title="definition: EquityComponentDomain to ComprehensiveIncomeMember" xlink:to="ComprehensiveIncomeMember" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_IncreaseDecreaseInStockholdersEquityRollForward" xlink:label="IncreaseDecreaseInStockholdersEquityRollForward" xlink:title="IncreaseDecreaseInStockholdersEquityRollForward" xlink:type="locator" />
    <link:definitionArc order="20.0" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="StatementLineItems" xlink:title="definition: StatementLineItems to IncreaseDecreaseInStockholdersEquityRollForward" xlink:to="IncreaseDecreaseInStockholdersEquityRollForward" xlink:type="arc" />
    <link:loc xlink:href="tc-20101231.xsd#tc_CumulativeAdjustmentWarrantAccounting" xlink:label="CumulativeAdjustmentWarrantAccounting" xlink:title="CumulativeAdjustmentWarrantAccounting" xlink:type="locator" />
    <link:definitionArc order="10.0" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="IncreaseDecreaseInStockholdersEquityRollForward" xlink:title="definition: IncreaseDecreaseInStockholdersEquityRollForward to CumulativeAdjustmentWarrantAccounting" xlink:to="CumulativeAdjustmentWarrantAccounting" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_StockIssuedDuringPeriodValueNewIssues" xlink:label="StockIssuedDuringPeriodValueNewIssues" xlink:title="StockIssuedDuringPeriodValueNewIssues" xlink:type="locator" />
    <link:definitionArc order="20.0" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="IncreaseDecreaseInStockholdersEquityRollForward" xlink:title="definition: IncreaseDecreaseInStockholdersEquityRollForward to StockIssuedDuringPeriodValueNewIssues" xlink:to="StockIssuedDuringPeriodValueNewIssues" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesNewIssues" xlink:label="StockIssuedDuringPeriodSharesNewIssues" xlink:title="StockIssuedDuringPeriodSharesNewIssues" xlink:type="locator" />
    <link:definitionArc order="10.0" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="StockIssuedDuringPeriodValueNewIssues" xlink:title="definition: StockIssuedDuringPeriodValueNewIssues to StockIssuedDuringPeriodSharesNewIssues" xlink:to="StockIssuedDuringPeriodSharesNewIssues" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue" xlink:label="AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue" xlink:title="AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue" xlink:type="locator" />
    <link:definitionArc order="30.0" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="IncreaseDecreaseInStockholdersEquityRollForward" xlink:title="definition: IncreaseDecreaseInStockholdersEquityRollForward to AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue" xlink:to="AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised" xlink:label="StockIssuedDuringPeriodValueStockOptionsExercised" xlink:title="StockIssuedDuringPeriodValueStockOptionsExercised" xlink:type="locator" />
    <link:definitionArc order="40.0" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="IncreaseDecreaseInStockholdersEquityRollForward" xlink:title="definition: IncreaseDecreaseInStockholdersEquityRollForward to StockIssuedDuringPeriodValueStockOptionsExercised" xlink:to="StockIssuedDuringPeriodValueStockOptionsExercised" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised" xlink:label="StockIssuedDuringPeriodSharesStockOptionsExercised" xlink:title="StockIssuedDuringPeriodSharesStockOptionsExercised" xlink:type="locator" />
    <link:definitionArc order="10.0" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="StockIssuedDuringPeriodValueStockOptionsExercised" xlink:title="definition: StockIssuedDuringPeriodValueStockOptionsExercised to StockIssuedDuringPeriodSharesStockOptionsExercised" xlink:to="StockIssuedDuringPeriodSharesStockOptionsExercised" xlink:type="arc" />
    <link:loc xlink:href="tc-20101231.xsd#tc_AdjustmentsToAdditionalPaidStockIssuedExerciseOfOptions" xlink:label="AdjustmentsToAdditionalPaidStockIssuedExerciseOfOptions" xlink:title="AdjustmentsToAdditionalPaidStockIssuedExerciseOfOptions" xlink:type="locator" />
    <link:definitionArc order="50.0" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="IncreaseDecreaseInStockholdersEquityRollForward" xlink:title="definition: IncreaseDecreaseInStockholdersEquityRollForward to AdjustmentsToAdditionalPaidStockIssuedExerciseOfOptions" xlink:to="AdjustmentsToAdditionalPaidStockIssuedExerciseOfOptions" xlink:type="arc" />
    <link:loc xlink:href="tc-20101231.xsd#tc_StockIssuedDuringPeriodValueStockWarrantsExercised" xlink:label="StockIssuedDuringPeriodValueStockWarrantsExercised" xlink:title="StockIssuedDuringPeriodValueStockWarrantsExercised" xlink:type="locator" />
    <link:definitionArc order="60.0" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="IncreaseDecreaseInStockholdersEquityRollForward" xlink:title="definition: IncreaseDecreaseInStockholdersEquityRollForward to StockIssuedDuringPeriodValueStockWarrantsExercised" xlink:to="StockIssuedDuringPeriodValueStockWarrantsExercised" xlink:type="arc" />
    <link:loc xlink:href="tc-20101231.xsd#tc_StockIssuedDuringPeriodSharesStockWarrantsExercised" xlink:label="StockIssuedDuringPeriodSharesStockWarrantsExercised" xlink:title="StockIssuedDuringPeriodSharesStockWarrantsExercised" xlink:type="locator" />
    <link:definitionArc order="10.0" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="StockIssuedDuringPeriodValueStockWarrantsExercised" xlink:title="definition: StockIssuedDuringPeriodValueStockWarrantsExercised to StockIssuedDuringPeriodSharesStockWarrantsExercised" xlink:to="StockIssuedDuringPeriodSharesStockWarrantsExercised" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation" xlink:label="AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation" xlink:title="AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation" xlink:type="locator" />
    <link:definitionArc order="70.0" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="IncreaseDecreaseInStockholdersEquityRollForward" xlink:title="definition: IncreaseDecreaseInStockholdersEquityRollForward to AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation" xlink:to="AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_StockRepurchasedDuringPeriodValue" xlink:label="StockRepurchasedDuringPeriodValue" xlink:title="StockRepurchasedDuringPeriodValue" xlink:type="locator" />
    <link:definitionArc order="80.0" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="IncreaseDecreaseInStockholdersEquityRollForward" xlink:title="definition: IncreaseDecreaseInStockholdersEquityRollForward to StockRepurchasedDuringPeriodValue" xlink:to="StockRepurchasedDuringPeriodValue" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_StockRepurchasedDuringPeriodShares" xlink:label="StockRepurchasedDuringPeriodShares" xlink:title="StockRepurchasedDuringPeriodShares" xlink:type="locator" />
    <link:definitionArc order="10.0" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="StockRepurchasedDuringPeriodValue" xlink:title="definition: StockRepurchasedDuringPeriodValue to StockRepurchasedDuringPeriodShares" xlink:to="StockRepurchasedDuringPeriodShares" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterestAbstract" xlink:label="ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterestAbstract" xlink:title="ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterestAbstract" xlink:type="locator" />
    <link:definitionArc order="90.0" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="IncreaseDecreaseInStockholdersEquityRollForward" xlink:title="definition: IncreaseDecreaseInStockholdersEquityRollForward to ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterestAbstract" xlink:to="ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterestAbstract" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ProfitLoss" xlink:label="ProfitLoss" xlink:title="ProfitLoss" xlink:type="locator" />
    <link:definitionArc order="10.0" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterestAbstract" xlink:title="definition: ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterestAbstract to ProfitLoss" xlink:to="ProfitLoss" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPeriodIncreaseDecrease" xlink:label="OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPeriodIncreaseDecrease" xlink:title="OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPeriodIncreaseDecrease" xlink:type="locator" />
    <link:definitionArc order="20.0" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterestAbstract" xlink:title="definition: ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterestAbstract to OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPeriodIncreaseDecrease" xlink:to="OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPeriodIncreaseDecrease" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPeriodIncreaseDecrease" xlink:label="OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPeriodIncreaseDecrease" xlink:title="OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPeriodIncreaseDecrease" xlink:type="locator" />
    <link:definitionArc order="30.0" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterestAbstract" xlink:title="definition: ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterestAbstract to OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPeriodIncreaseDecrease" xlink:to="OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPeriodIncreaseDecrease" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest" xlink:label="ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest" xlink:title="ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest" xlink:type="locator" />
    <link:definitionArc order="40.0" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterestAbstract" xlink:title="definition: ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterestAbstract to ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest" xlink:to="ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:label="StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:title="StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:type="locator" />
    <link:definitionArc order="100.0" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="IncreaseDecreaseInStockholdersEquityRollForward" xlink:title="definition: IncreaseDecreaseInStockholdersEquityRollForward to StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:to="StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_SharesIssued" xlink:label="SharesIssued" xlink:title="SharesIssued" xlink:type="locator" />
    <link:definitionArc order="110.0" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="IncreaseDecreaseInStockholdersEquityRollForward" xlink:title="definition: IncreaseDecreaseInStockholdersEquityRollForward to SharesIssued" xlink:to="SharesIssued" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_StockholdersEquityPeriodIncreaseDecrease" xlink:label="StockholdersEquityPeriodIncreaseDecrease" xlink:title="StockholdersEquityPeriodIncreaseDecrease" xlink:type="locator" />
    <link:definitionArc order="140.0" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="IncreaseDecreaseInStockholdersEquityRollForward" xlink:title="definition: IncreaseDecreaseInStockholdersEquityRollForward to StockholdersEquityPeriodIncreaseDecrease" xlink:to="StockholdersEquityPeriodIncreaseDecrease" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesPeriodIncreaseDecrease" xlink:label="StockIssuedDuringPeriodSharesPeriodIncreaseDecrease" xlink:title="StockIssuedDuringPeriodSharesPeriodIncreaseDecrease" xlink:type="locator" />
    <link:definitionArc order="10.0" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="StockholdersEquityPeriodIncreaseDecrease" xlink:title="definition: StockholdersEquityPeriodIncreaseDecrease to StockIssuedDuringPeriodSharesPeriodIncreaseDecrease" xlink:to="StockIssuedDuringPeriodSharesPeriodIncreaseDecrease" xlink:type="arc" />
    <link:loc xlink:href="tc-20101231.xsd#tc_BalanceAdjustedValue" xlink:label="BalanceAdjustedValue_2" xlink:title="BalanceAdjustedValue" xlink:type="locator" />
    <link:definitionArc order="120.0" priority="1" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="IncreaseDecreaseInStockholdersEquityRollForward" xlink:title="definition: IncreaseDecreaseInStockholdersEquityRollForward to BalanceAdjustedValue" xlink:to="BalanceAdjustedValue_2" xlink:type="arc" />
    <link:loc xlink:href="tc-20101231.xsd#tc_BalanceAdjustedShares" xlink:label="BalanceAdjustedShares_2" xlink:title="BalanceAdjustedShares" xlink:type="locator" />
    <link:definitionArc order="130.0" priority="1" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="IncreaseDecreaseInStockholdersEquityRollForward" xlink:title="definition: IncreaseDecreaseInStockholdersEquityRollForward to BalanceAdjustedShares" xlink:to="BalanceAdjustedShares_2" xlink:type="arc" />
  </link:definitionLink>
</link:linkbase>
