What is an antonym for exothermic?
Possible antonyms include endothermic.
(chemistry, of a reaction) That releases energy in the form of heat.
Common opposites include endothermic.
Related dictionary entries include object, endothermic, exoergonic, exoergic, endergonic, exoenthalpic.
A related word is not always a direct replacement. Compare its definition, grammar, tone, and sentence context first.
Possible antonyms include endothermic.
Relationships are shown only after the shared lexical validator accepts them. A suggestion is not automatically an exact replacement.