coolant.
A medium, usually fluid, used to draw heat from an object.
Meaning & usage
A medium, usually fluid, used to draw heat from an object.
Coolant is used in car engines and industrial processes, where excess heat could cause machine damage.
Where this word comes from
Etymology tree English cool Latin -ns Latin -āns Old French -antbor. Proto-Indo-European *-onts Proto-Germanic *-ndz Proto-West Germanic *-andī Old English -ende Middle English -ant English -ant English coolant From cool + -ant.
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.