auxotrophic


auxo·tro·phic

adjective \ˌk-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 \k-ˈsä-trə-fē\ noun

Origin of AUXOTROPHIC

Greek auxein to increase + -o- + English -trophic
First Known Use: 1944

auxo·tro·phic

adjective \ˌk-sə-ˈtrō-fik\   (Medical Dictionary)

Medical Definition of AUXOTROPHIC

: requiring a specific growth substance beyond the minimum required for normal metabolism and reproduction of the parental or wild-type strain <auxotrophic bacterial mutants>—compare prototrophic

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