adjective Biochemistry.
(of a biochemical reaction) requiring energy.
Compare exergonic.

1935–40; end- + Greek érgon work + -ic

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World English Dictionary
endergonic (ˌɛndəˈɡɒnɪk)
Compare exergonic (of a biochemical reaction) requiring energy to proceed
[C20: from end(o-) + Greek ergon work + -ic]

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Medical Dictionary

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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American Heritage
Science Dictionary
endergonic   (ěn'dər-gŏn'ĭk)  Pronunciation Key 
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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