Standard Lemma guide
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
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adj
That releases energy in the form of heat.
Definition source: English Wiktionary via Wiktextract
Topics: chemistry, natural-sciences, physical-sciences
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
adj
That releases heat during its formation, and absorbs it during its decomposition.
Definition source: English Wiktionary via Wiktextract
Topics: chemistry, natural-sciences, physical-sciences
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
adj
Of an animal: whose body temperature is regulated by external factors; cold-blooded.
Definition source: English Wiktionary via Wiktextract
Topics: biology, natural-sciences, zoology
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
noun
A substance that releases heat energy.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
adjective
(of a chemical reaction or compound) occurring or formed with the liberation of heat
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Synonyms: exothermal, heat-releasing
Antonyms: endothermic
History
From French exothermique, from exo- (“outside”) + thermique (“of heat”), both ultimately from Ancient Greek. By surface analysis, exo- + -thermic.
Across languages
17 source translations are retained for this English entry.
