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chemotroph

[kee-muh-trof, -trawf, -trohf, kem-uh-] /ˈki məˌtrɒf, -ˌtrɔf, -ˌtroʊf, ˌkɛm ə-/
noun, Bacteriology, Biology
1.
any organism that oxidizes inorganic or organic compounds as its principal energy source.
Origin
chemo- + -troph < Greek trophḗ food
Related forms
chemotrophic
[kee-muh-trof-ik, -troh-fik, kem-uh-] /ˌki məˈtrɒf ɪk, -ˈtroʊ fɪk, ˌkɛm ə-/ (Show IPA),
adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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chemotrophic in Science
chemotroph
  (kē'mō-trŏf')   
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.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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