<?xml version="1.0" encoding="US-ASCII"?>
<!-- Generated by CompSci Transform (tm) - http://www.compsciresources.com -->
<!-- Created: Mon Sep 08 20:47:07 UTC 2025 -->
<linkbase xmlns="http://www.xbrl.org/2003/linkbase" 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" xmlns:xbrldt="http://xbrl.org/2005/xbrldt">
  <roleRef xlink:type="simple" xlink:href="https://xbrl.sec.gov/ecd/2025/ecd-2025.xsd#IndividualsOnly" roleURI="http://xbrl.sec.gov/ecd/role/IndividualsOnly"/>
  <arcroleRef xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-default" arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-default"/>
  <arcroleRef xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-domain" arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-domain"/>
  <arcroleRef xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#hypercube-dimension" arcroleURI="http://xbrl.org/int/dim/arcrole/hypercube-dimension"/>
  <arcroleRef xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#domain-member" arcroleURI="http://xbrl.org/int/dim/arcrole/domain-member"/>
  <arcroleRef xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#all" arcroleURI="http://xbrl.org/int/dim/arcrole/all"/>
<!-- [WMV6][sBIfvLpRoOLJ5vvoCZbrakcIrDKwIzw87dSoYxqQLWKrIB6o7qLg++5ZOUQI2XGK6Fs698dpQQt0H8lhd+76vNlQAIkIB4f8N6dlfCYDPKVt82u60XgzGbkLUAaANDWJv9PGDUdPEKULMOlg9+XpMbUQlmncguN9RtC+Ga5C2P7F+L7PIBLZ7i2jxCqhptEGeNeWbKGcxnVqfrv/9f5WXYvBGgXgfuOKXDFoEt0fBfMkI1nzKQM5W1dkmZfwzPBgTviDGwo2yklmem8lKQxX0lbK5Eck2m2fd/cxxO3onJMgskhKpL8DhZrC4J9IQS6VAZgsr3Cva+128ikV9ekIXfr5WFbPZbIFEbmIAw==] CSR-->
  <definitionLink xlink:role="http://xbrl.sec.gov/ecd/role/IndividualsOnly" xlink:type="extended">
    <loc xlink:type="locator" xlink:label="ecd_AllIndividualsMember" xlink:href="https://xbrl.sec.gov/ecd/2025/ecd-2025.xsd#ecd_AllIndividualsMember"/>
    <loc xlink:type="locator" xlink:label="minm_DavidLazarMember" xlink:href="minm-20250904.xsd#minm_DavidLazarMember"/>
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ecd_AllIndividualsMember" xlink:to="minm_DavidLazarMember" order="2" xbrldt:closed="true"/>
    <loc xlink:type="locator" xlink:label="minm_JeremyHitchcockMember" xlink:href="minm-20250904.xsd#minm_JeremyHitchcockMember"/>
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ecd_AllIndividualsMember" xlink:to="minm_JeremyHitchcockMember" order="4" xbrldt:closed="true"/>
    <loc xlink:type="locator" xlink:label="minm_MehulPatelMember" xlink:href="minm-20250904.xsd#minm_MehulPatelMember"/>
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ecd_AllIndividualsMember" xlink:to="minm_MehulPatelMember" order="6" xbrldt:closed="true"/>
  </definitionLink>
</linkbase>
