che·mo·troph

[kee-muh-trof, -trawf, -trohf, kem-uh-]
noun Bacteriology, Biology.
any organism that oxidizes inorganic or organic compounds as its principal energy source.

Origin:
chemo- + -troph < Greek trophḗ food

che·mo·troph·ic [kee-muh-trof-ik, -troh-fik, kem-uh-] , adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2013.
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American Heritage
Science Dictionary
chemotroph   (kē'mō-trŏf')  Pronunciation Key 
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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00:10
Chemotroph is always a great word to know.
So is ninnyhammer. Does it mean:
a fool or simpleton; ninny.
a chattering or flighty, light-headed person.
Example sentences from the web
The chemotroph designation is in contrast to phototrophs which utilize solar energy.
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