Definitions

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

  • adjective Releasing energy.

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

  • adjective chemistry, of a reaction Releasing energy (especially as heat)

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

  • adjective (biochemistry) of a process accompanied by the release of energy

Etymologies

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

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

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Examples

  • The systems considered above are what biochemists call "exergonic", they are fully spontaneous processes.

    NPR Topics: News 2010

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