heat-releasing

Synonyms:

exothermal, exothermic

energy-releasing, exoergic

(of a nuclear reaction) occurring with evolution or releasing of energy

Antonyms:

endothermal, endothermic, heat-absorbing

(of a chemical reaction or compound) occurring or formed with absorption of heat

endoergic, energy-absorbing

(of a nuclear reaction) occurring with absorption of energy

decalescent

absorbing heat without increase in temperature when heated beyond a certain point

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