auxotroph

[ awk-suh-trof, -trohf ]

nounBiology.
  1. 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

1
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. 2024

British Dictionary definitions for auxotroph

auxotroph

/ (ˈɔːksətrəʊf) /


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

Derived forms of auxotroph

  • auxotrophic, adjective

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