Added 9 October 2026
radiator
/ˈrædɪeɪ̯tə/ noun
noun Definition from Wiktionary (CC BY-SA). Pronunciation from Wiktionary, via Kaikki.org. More about radiator at Wordnik → Where our words come from →
- Anything which radiates or emits rays.
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A device that lowers engine coolant temperature by conducting heat to the air, through metal fins.
The car overheated because of a broken radiator.
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A finned metal fixture that carries hot water or steam in order to heat a room.
The radiator kept the apartment warm during winter.
Origin
From radiate + -or. Doublet of radiatori.
From Wiktionary, via Kaikki.org (CC BY-SA)