endothermic

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/ˌɛndəʊˈθəːmɪk/

adjective

Of a chemical reaction that absorbs heat energy from its surroundings.

UncommonScrabble 19

Meanings

adjectiveendothermic (comparative more endothermic, superlative most endothermic)

comparative more endothermic · superlative most endothermic

  1. chemistryOf a chemical reaction that absorbs heat energy from its surroundings.

    These can be differentiated on a thermal scan where an endothermic transition indicates enantiotropes and an exothermic transition indicates monotropes .

    2014, William J. Brock, Barbara Mounho, Lijie Fu, The Role of the Study Director in Nonclinical Studies, page 174

    Antonyms: exothermic

  2. biologyOf an animal whose body temperature is regulated by internal factors.

    Synonyms: warm-blooded, endothermal, homeothermal, homeothermic · Antonyms: ectothermic, exothermic, cold-blooded

nounendothermic (plural endothermics)

plural endothermics

  1. A substance that absorbs heat energy.

Synonyms & antonyms

adjectiveOf a chemical reaction that absorbs heat energy from its surroundings.

Opposite

adjectiveOf an animal whose body temperature is regulated by internal factors.

More synonyms by meaning

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

Similar
Opposite

Synonym sets from Open English WordNet, CC BY 4.0.

Origin

  1. Frenchendothermique
  2. Englishendothermic

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

Full word history & related roots →

Translations

Catalan endotèrmic, endotèrmic
  • endotèrmicchemistry: absorbing heat
  • endotèrmiczoology: of animal with regulated temperature
Chinese Mandarin 溫血的 /温血的, 熱血的 /热血的
  • 溫血的 /温血的 (wēnxuè de)zoology: of animal with regulated temperature
  • 熱血的 /热血的 (rèxuè de)zoology: of animal with regulated temperature
Czech endotermický
  • endotermickýchemistry: absorbing heat
Dutch warmbloedig
  • warmbloedigzoology: of animal with regulated temperature
Estonian püsisoojane, homöotermne
  • püsisoojanezoology: of animal with regulated temperature
  • homöotermnezoology: of animal with regulated temperature
Finnish endoterminen, tasalämpöinen
  • endoterminenchemistry: absorbing heat
  • tasalämpöinenzoology: of animal with regulated temperature
French endothermique, homéotherme
  • endothermiquechemistry: absorbing heat
  • homéothermezoology: of animal with regulated temperature
  • à sang chaudzoology: of animal with regulated temperature
German endotherm, warmblütig
  • endothermchemistry: absorbing heat
  • warmblütigzoology: of animal with regulated temperature
  • homöothermzoology: of animal with regulated temperature
Greek ενδοθερμικός, θερμόαιμος
  • ενδοθερμικός (endothermikós)zoology: of animal with regulated temperature
  • θερμόαιμος (thermóaimos)zoology: of animal with regulated temperature
Japanese 温血の
  • 温血の (onketsu no)zoology: of animal with regulated temperature
Latvian siltasiņu
  • siltasiņuzoology: of animal with regulated temperature
Lithuanian šiltakraujis
  • šiltakraujiszoology: of animal with regulated temperature
Malay berdarah panas, berdarah hangat
  • berdarah panaszoology: of animal with regulated temperature
  • berdarah hangatzoology: of animal with regulated temperature
Māori pauwera
  • pauwerachemistry: absorbing heat
Norwegian endoterm
  • endotermchemistry: absorbing heat
Persian گرماگیر
  • گرماگیر (garmâgir)chemistry: absorbing heat
Polish stałocieplny
  • stałocieplnyzoology: of animal with regulated temperature
Portuguese endotérmico, endotérmico
  • endotérmicochemistry: absorbing heat
  • endotérmicozoology: of animal with regulated temperature
Russian эндотерми́ческий, эндоте́рмный
  • эндотерми́ческий (endotermíčeskij)chemistry: absorbing heat
  • эндоте́рмный (endotérmnyj)zoology: of animal with regulated temperature
  • теплокро́вный (teplokróvnyj)zoology: of animal with regulated temperature
  • гомойоте́рмный (gomojotérmnyj)zoology: of animal with regulated temperature
Swahili damu moto
  • damu motozoology: of animal with regulated temperature
Swedish endoterm, endotermisk
  • endotermchemistry: absorbing heat
  • endotermiskchemistry: absorbing heat
  • jämnvarmzoology: of animal with regulated temperature
  • varmblodigzoology: of animal with regulated temperature
Tagalog sulud-initin
  • sulud-initinchemistry: absorbing heat
Thai เลือดอุ่น
  • เลือดอุ่น (lʉ̂ʉat-ùn)zoology: of animal with regulated temperature
Vietnamese thu nhiệt
  • thu nhiệtchemistry: absorbing heat
Cite this entry
APA

endothermic. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/endothermic

MLA

“endothermic.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/endothermic. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “endothermic,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/endothermic.

Source: endothermic on Wiktionary, CC BY-SA 4.0.