Definition of auxotrophic
: requiring a specific growth substance beyond the minimum required for normal metabolism and reproduction by the parental or wild-type strain <auxotrophic mutants of bacteria>
auxotrophyplay \ȯk-ˈsä-trə-fē\ noun
Origin and Etymology of auxotrophic
Greek auxein to increase + -o- + English -trophic
First Known Use: 1944
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