auxotroph

[ awk-suh-trof, -trohf ]
/ ˈɔk səˌtrɒf, -ˌtroʊf /

noun Biology.

a mutant organism, especially a microorganism, that has a nutritional requirement not shared by the parent organism. Compare prototroph(def 1).

Origin of auxotroph

1950–55; back formation from auxotrophic; see auxo-, trophic

OTHER WORDS FROM auxotroph

aux·o·troph·ic, adjective

Words nearby auxotroph

auxocardia, auxochrome, auxocyte, auxospore, auxotonic, auxotroph, auxotrophic, av, av node, av., ava

British Dictionary definitions for auxotroph

auxotroph
/ (ˈɔːksətrəʊf) /

noun

a mutant strain of microorganism having nutritional requirements additional to those of the normal organism

Derived forms of auxotroph

auxotrophic, adjective

Medical definitions for auxotroph

auxotroph
[ ôk′sə-trŏf′, -trōf′ ]

n.

A mutated microorganism having nutritional requirements that differ from those of unmutated microorganisms from the same strain.