radiator.
Anything which radiates or emits rays.
Meaning & usage
Anything which radiates or emits rays.
A device that lowers engine coolant temperature by conducting heat to the air, through metal fins.
The car overheated because of a broken radiator.
A finned metal fixture that carries hot water or steam in order to heat a room.
The radiator kept the apartment warm during winter.
Steam hissed from the old iron radiator.
A type of antenna.
Where this word comes from
From radiate + -or. Doublet of radiatori.
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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.