Definition of exergonic in English:


Syllabification: ex·er·gon·ic
Pronunciation: /ˌeksərˈgänik


  • (Of a metabolic or chemical process) accompanied by the release of energy. The opposite of endergonic.
    More example sentences
    • The changes of mechanical power are supported by a sequence of exergonic processes that over the last decades have been the subject of extensive research in biochemistry and biophysics.
    • In this way, the energy released by the exergonic reaction can be partially harnessed to drive the endergonic one.
    • With its highly exergonic free energy change, the flow of electrons through Complex I is more than adequate to drive ATP synthesis.


mid 20th century: from ex-2 'out of' + Greek ergon 'work' + -ic.

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