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exothermic


Definition of exothermic

adjective

Chemistry
  • (of a reaction or process) accompanied by the release of heat. The opposite of endothermic (sense 1).
  • (of a compound) formed from its constituent elements with a net release of heat.

Derivatives

exothermically

adverb

Origin:

late 19th century: from French exothermique

exothermic in other Oxford dictionaries

Definition of exothermic in the US English dictionary