auxotrophic
auxo·tro·phic
adj \ˌȯk-sə-ˈtrō-fik\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>
— aux·ot·ro·phy \ȯk-ˈsä-trə-fē\ noun
Origin of AUXOTROPHIC
Greek auxein to increase + -o- + English -trophic
First Known Use: 1944
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