auxo·​troph ˈȯk-sə-ˌtrōf How to pronounce auxotroph (audio)
: an auxotrophic strain or individual

Word History

First Known Use

1950, in the meaning defined above

Time Traveler
The first known use of auxotroph was in 1950

Dictionary Entries Near auxotroph

Cite this Entry

“Auxotroph.” Dictionary, Merriam-Webster, Accessed 27 Mar. 2023.

Medical Definition


auxo·​troph -ˌtrōf How to pronounce auxotroph (audio) -ˌträf How to pronounce auxotroph (audio)
: an auxotrophic strain or individual
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