Exothermic: Definition with Exothermic Pictures and Photos

1. Adjective. (of a chemical reaction or compound) occurring or formed with the liberation of heat.

Exact synonyms: Exothermal, Heat-releasing
Also: Energy-releasing, Exoergic
Antonyms: Endothermic
Derivative terms: Exotherm

1. a. Characterized by, or formed with, evolution of heat; as, an exothermic reaction; -- opposed to endothermic.

1. Adjective. (chemistry of a reaction) That releases energy in the form of heat. ¹

2. Adjective. (chemistry of a compound) That releases heat during its formation, and absorbs it during its decomposition ¹

3. Adjective. (zoology) Of an animal whose body temperature is regulated by external factors; cold-blooded ¹

¹ Source: wiktionary.com

1. [adj]

1. Describes a chemical reaction that releases energy (usually in the form of heat). (09 Oct 1997)

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