'Exothermic' definitions:
Definition of 'exothermic'
(from WordNet)
adjective
(of a chemical reaction or compound) occurring or formed with the liberation of heat [syn: exothermic, exothermal, heat-releasing] [ant: endothermal, endothermic, heat-absorbing]
Definition of 'Exothermic'
From: GCIDE
- Exothermic \Ex`o*ther"mic\, a. [Pref. exo- + thermic.] (Chem.) Characterized by, or formed with, evolution of heat; as, an exothermic reaction; -- opposed to endothermic. [Webster 1913 Suppl.]