Standard Lemma guide

endothermic

adj · noun · 4 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.

  • /ˌɛndəʊˈθəːmɪk/
  • Southern-England: Recorded audio is listed in the source snapshot.
  • CMU ARPABET: EH2 N D OW0 TH ER1 M IH0 K Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.

1

adj

Meaning 1

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

Definition source: English Wiktionary via Wiktextract

Topics: chemistry, natural-sciences, physical-sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: exothermic

2

adj

Meaning 2

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

Definition source: English Wiktionary via Wiktextract

Topics: biology, natural-sciences, zoology

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: warm-blooded, endothermal, homeothermal, homeothermic

Antonyms: ectothermic, exothermic, cold-blooded

3

noun

Meaning 3

A substance that absorbs heat energy.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

4

adjective

Meaning 4

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

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: endothermal, heat-absorbing

Antonyms: exothermic

History

Etymology

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

Across languages

Translations

44 source translations are retained for this English entry.

  • Belarusian: эндатэрмічны (endatermičny) — chemistry: absorbing heat
  • Catalan: endotèrmic — chemistry: absorbing heat
  • Finnish: endoterminen — chemistry: absorbing heat
  • French: endothermique — chemistry: absorbing heat
  • German: endotherm — chemistry: absorbing heat
  • Malayalam: താപശോഷക (tāpaśōṣaka) — chemistry: absorbing heat
  • Māori: pauwera — chemistry: absorbing heat
  • Norwegian: endoterm — chemistry: absorbing heat
  • Persian: گرماگیر (garmâgir) — chemistry: absorbing heat
  • Portuguese: endotérmico — chemistry: absorbing heat
  • Russian: эндотерми́ческий (endotermíčeskij) — chemistry: absorbing heat
  • Swedish: endoterm — chemistry: absorbing heat
  • Swedish: endotermisk — chemistry: absorbing heat
  • Tagalog: sulud-initin — chemistry: absorbing heat
  • Vietnamese: thu nhiệt — chemistry: absorbing heat
  • Belarusian: эндатэрмічны (endatermičny) — zoology: of animal with regulated temperature
  • Belarusian: цеплакроўны (cjeplakrówny) — zoology: of animal with regulated temperature
  • Catalan: endotèrmic — zoology: of animal with regulated temperature
  • Chinese Mandarin: 溫血的 /温血的 (wēnxuè de) — zoology: of animal with regulated temperature
  • Chinese Mandarin: 熱血的 /热血的 (rèxuè de) — zoology: of animal with regulated temperature
  • Dutch: warmbloedig — zoology: of animal with regulated temperature
  • Estonian: püsisoojane — zoology: of animal with regulated temperature
  • Estonian: homöotermne — zoology: of animal with regulated temperature
  • Finnish: tasalämpöinen — zoology: of animal with regulated temperature
  • French: homéotherme — zoology: of animal with regulated temperature
  • French: à sang chaud — zoology: of animal with regulated temperature
  • Georgian: თბილსისხლიანი (tbilsisxliani) — zoology: of animal with regulated temperature
  • German: warmblütig — zoology: of animal with regulated temperature
  • German: homöotherm — zoology: of animal with regulated temperature
  • Greek: ενδοθερμικός (endothermikós) — zoology: of animal with regulated temperature
  • Greek: θερμόαιμος (thermóaimos) — zoology: of animal with regulated temperature
  • Japanese: 温血の (onketsu no) — zoology: of animal with regulated temperature
  • Latvian: siltasiņu — zoology: of animal with regulated temperature
  • Lithuanian: šiltakraujis — zoology: of animal with regulated temperature
  • Malay: berdarah panas — zoology: of animal with regulated temperature
  • Malay: berdarah hangat — zoology: of animal with regulated temperature
  • Polish: stałocieplny — zoology: of animal with regulated temperature
  • Portuguese: endotérmico — zoology: of animal with regulated temperature
  • Russian: эндоте́рмный (endotérmnyj) — zoology: of animal with regulated temperature
  • Russian: теплокро́вный (teplokróvnyj) — zoology: of animal with regulated temperature
  • Russian: гомойоте́рмный (gomojotérmnyj) — zoology: of animal with regulated temperature
  • Swedish: jämnvarm — zoology: of animal with regulated temperature
  • Swedish: varmblodig — zoology: of animal with regulated temperature
  • Thai: เลือดอุ่น (lʉ̂ʉat-ùn) — zoology: of animal with regulated temperature
Real reading context

endothermic in complete knowledge articles