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).

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Origin of auxotroph

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

OTHER WORDS FROM auxotroph

aux·o·troph·ic, adjective

Words nearby auxotroph

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

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
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medical definitions for auxotroph

auxotroph
[ ôksə-trŏf′, -trōf′ ]

n.

A mutated microorganism having nutritional requirements that differ from those of unmutated microorganisms from the same strain.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.