noun
exothermic reaction
Technical term in chemistry for a reaction that releases heat.
Antonyms: 吸熱反応 (きゅうねつはんのう)
燃焼は代表的な発熱反応です。
Combustion is a typical exothermic reaction.
Antonym: endothermic reaction, which absorbs heat.
Compound of 発熱 (heat generation) + 反応 (reaction).