[kee-muh-trof, -trawf, -trohf, kem-uh-]

Origin of chemotroph

chemo- + -troph < Greek trophḗ food
Related formsche·mo·troph·ic [kee-muh-trof-ik, -troh-fik, kem-uh-] /ˌki məˈtrɒf ɪk, -ˈtroʊ fɪk, ˌkɛm ə-/, adjective Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

chemotroph in Science


  1. 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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