Examples of autotroph in a Sentence
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Only those bacteria that had evolved into autotrophs survived.
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Robert F. Service, Science | AAAS, 27 Nov. 2019
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Robert F. Service, Science | AAAS, 27 Nov. 2019
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“Autotroph.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/autotroph. Accessed 18 Jun. 2025.
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autotroph
noun
au·to·troph
ˈȯt-ə-ˌtrōf 
-ˌträf
: an organism (as a plant) that can make its own food from substances that do not come from other living things
autotrophic
adjective
ˌȯt-ə-ˈtrō-fik
Medical Definition
autotroph
noun
au·to·troph
ˈȯt-ə-ˌtrōf
-ˌträf
-ˌträf
: an autotrophic organism
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