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radiator

nounattested in dialogue

  • United Kingdom//ˈrædɪeɪ̯tə//
  • United Kingdom//ˈrɛjdɪjɛjtə//
  • United States//ˈɹej.di(j)ˌej.tɚ//
  • Canada/[ˈɹadieːtɚ(ɹ)]/
  • //ˈreːdijeː(j)tɐ//

Anything which radiates or emits rays.

noun

  1. 1

    Anything which radiates or emits rays.

  2. 2

    A device that lowers engine coolant temperature by conducting heat to the air, through metal fins.

    The car overheated because of a broken radiator.

  3. 3

    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.

  4. 4

    A type of antenna.

Etymology

From radiate + -or. Doublet of radiatori.

Forms

plural
radiators
The neighbouring pagesAlphabetical order follows the rules of the language, not byte values: an accent decides only between two otherwise identical words, and Spanish files Ñ as a letter of its own.

Lexical content from Wiktionary, under CC BY-SA 4.0 · Source entry · Data version 2026-08-23

Rank among the words of the OpenSubtitles 2018 corpus — film and television subtitles, so spoken rather than written usage (CC BY-SA 3.0).