Standard Lemma guide

homeotherm

noun · 2 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

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  • General-American: /ˈhoʊmioʊˌθɝm/
  • Received-Pronunciation: /ˈhəʊmi.əʊˌθɜːm/

1

noun

Meaning 1

Any warm-blooded animal: one that maintains a stable internal body temperature regardless of external influence.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: endotherm

Antonyms: ectotherm, poikilotherm

2

noun

Meaning 2

an animal that has a body temperature that is relatively constant and independent of the environmental temperature

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: homoiotherm, homotherm

Antonyms: none provided

Broader terms: animal, animate being, beast, brute, creature, fauna

History

Etymology

From homeo- + -therm.