endothermic

Borrowed from French endothermique, from endo- (“inside”) +‎ thermique (“of heat”), both ultimately from Ancient Greek.

• IPA^(key): /ˌɛndəʊˈθəːmɪk/

• Audio (Southern England)

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endothermic (comparative more endothermic, superlative most endothermic)

1. (chemistry) Of a chemical reaction that absorbs heat energy from its surroundings.
2. (zoology) Of an animal whose body temperature is regulated by internal factors.

   Synonyms: warm-blooded, endothermal, homeothermal, homeothermic

   Antonyms: ectothermic, exothermic, cold-blooded