autotroph

noun
au·​to·​troph | \ ˈȯ-tə-ˌtrōf How to pronounce autotroph (audio) , -ˌträf \

Definition of autotroph

: an autotrophic organism

Examples of autotroph in a Sentence

Recent Examples on the Web Only those bacteria that had evolved into autotrophs survived. Robert F. Service, Science | AAAS, "This microbe no longer needs to eat food to grow, thanks to a bit of genetic engineering," 27 Nov. 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'autotroph.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of autotroph

1938, in the meaning defined above

History and Etymology for autotroph

German, from autotroph, adjective

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The first known use of autotroph was in 1938

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Cite this Entry

“Autotroph.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/autotroph. Accessed 23 Nov. 2020.

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More Definitions for autotroph

autotroph

noun
au·​to·​troph | \ ˈȯt-ə-ˌtrōf How to pronounce autotroph (audio) , -ˌträf How to pronounce autotroph (audio) \

Medical Definition of autotroph

: an autotrophic organism

More from Merriam-Webster on autotroph

Britannica.com: Encyclopedia article about autotroph

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