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[en-der-gon-ik] /ˌɛn dərˈgɒn ɪk/
adjective, Biochemistry.
(of a biochemical reaction) requiring energy.
Compare exergonic.
Origin of endergonic
1935-40; end- + Greek érgon work + -ic Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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British Dictionary definitions for endergonic


(of a biochemical reaction) requiring energy to proceed Compare exergonic
Word Origin
C20: from end(o-) + Greek ergon work + -ic
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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endergonic in Medicine

endergonic end·er·gon·ic (ěn'dər-gŏn'ĭk)
Of or relating to a chemical reaction that absorbs energy and therefore cools its surroundings.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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endergonic in Science
Relating to a chemical reaction that requires the absorption of energy. The production of sugars by plants during photosynthesis is an endergonic reaction, where sunlight provides the necessary energy. Compare exergonic.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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