Origin of exoergic

First recorded in 1940–45; exo- + erg-1 + -ic
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British Dictionary definitions for exoergic


  1. (of a nuclear reaction) occurring with evolution of energyCompare endoergic, exothermic

Word Origin for exoergic

exo- + -ergic, from Greek ergon work
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

exoergic in Science


  1. Relating to a process, such as a chemical or nuclear reaction, that releases energy. Exothermic reactions are exoergic. Compare endoergic.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.