Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • adj. Requiring energy: an endergonic chemical reaction.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • adj. Describing a reaction that absorbs (heat) energy from its environment

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • adj. (biochemistry) of a process accompanied by or requiring the absorption of energy; the products of the process are of greater free energy than the reactants

Etymologies

end(o)- + Greek ergon, work; see werg- in Indo-European roots + -ic.
(American Heritage® Dictionary of the English Language, Fourth Edition)

Examples

  • Real cells link non-spontaneous processes, called endergonic, which do not occur without the addition of free energy, to spontaneous processes which supply that free energy.

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  • A continuously increasing number of enzymatic reactions are becoming known in which the energy of adenosine triphosphate, the compound isolated by his associate Lohmann, provides the energy for endergonic synthesis reactions.

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  • How might fish consumption advisories take this into account? would an endergonic reaction reult in the production of ATP or ADP molecules?

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