Meaning of exothermic

ex•o•ther•mic

Pronunciation: (ek"sō-thûr'mik), [key]
— adj. Chem.
  1. noting or pertaining to a chemical change that is accompanied by a liberation of heat (opposed to endothermic).
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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