[kee-muh-trof, -trawf, -trohf, kem-uh-]
noun Bacteriology, Biology.
any organism that oxidizes inorganic or organic compounds as its principal energy source.
Origin of chemotroph
chemo- + -troph < Greek trophḗ food
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
An organism that manufactures its own food through chemosynthesis (the oxidation of inorganic chemical compounds) as opposed to photosynthesis. The sulfur-oxidizing bacteria found at deep-sea hydrothermal vents and nitrifying bacteria in the soil are chemotrophs. Also called chemoautotroph Compare phototroph.
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