Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • adjective Requiring energy.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • adjective chemistry Describing a reaction that absorbs (heat) energy from its environment

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

  • adjective (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

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

[end(o)– + Greek ergon, work; see werg- in Indo-European roots + –ic.]

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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.

    NPR Topics: News 2010

  • 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.

    Otto Meyerhof - Biography 1965

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

    Yahoo! Answers: Latest Questions 2009

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