exothermal

Variant of exothermic

exothermic definition

exo·ther·mic (ek′sō t̸hʉr′mik, -sə-)

adjective

designating or of a chemical change in which there is a liberation of heat, as in combustion
also exothermal ex′o·ther′·mal

Etymology: exo- + thermic

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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