exothermic

== English == === Etymology === From French exothermique, from exo- (“outside”) + thermique (“of heat”), both ultimately from Ancient Greek. By surface analysis, exo- +‎ -thermic. === Pronunciation === === Adjective === exothermic (comparative more exothermic, superlative most exothermic) (chemistry, of a reaction) That releases energy in the form of heat. (chemistry, of a compound) That releases heat during its formation, and absorbs it during its decomposition. (zoology) Of an animal: whose body temperature is regulated by external factors; cold-blooded. ==== Synonyms ==== exothermal ==== Antonyms ==== endothermic ==== Derived terms ==== exothermically exothermicity nonexothermic ==== Related terms ==== exotherm ==== Translations ==== === Noun === exothermic (plural exothermics) A substance that releases heat energy. === Anagrams === hemicortex