- noting or pertaining to a chemical change that is accompanied by a liberation of heat (opposed to endothermic).
Origin of exothermic
Examples from the Web for exothermic
Historical Examples of exothermic
For it was a new kind which contained an exothermic ingredient.The Planet Strappers
Raymond Zinke Gallun
All chemical compounds are either “endothermic” or “exothermic.”
When carbon unites chemically with oxygen, it is an exothermic reaction that gives off heat as correlated energy.The Progress of Invention in the Nineteenth Century.
Edward W. Byrn
Word Origin and History for exothermic
- Of or relating to a chemical reaction during which heat is released.
- Of or relating to the external warmth of the body.
- Relating to a chemical reaction that releases heat. Compare endothermic.