: requiring complex organic compounds of nitrogen and carbon (such as that obtained from plant or animal matter) for metabolic synthesis compare autotrophic

Examples of heterotrophic in a Sentence

Recent Examples on the Web
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Humans, cats, dogs, and all other animals contain mitochondria that produces energy from our heterotrophic (food-consuming) metabolism. Darren Orf, Popular Mechanics, 16 Aug. 2023 The posterior body of female Osedax penetrates into the bone forming extensions known as 'roots', which host heterotrophic symbiotic bacteria in bacteriocytes beneath the epidermis. Seriously Science, Discover Magazine, 13 Mar. 2017

Word History

First Known Use

1893, in the meaning defined above

Time Traveler
The first known use of heterotrophic was in 1893

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Cite this Entry

“Heterotrophic.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/heterotrophic. Accessed 28 Jul. 2026.

Medical Definition

heterotrophic

adjective
: requiring complex organic compounds of nitrogen and carbon (as that obtained from plant or animal matter) for metabolic synthesis
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