radiator
UK /ˈrædɪeɪ̯tə/ · US /ˈɹej.di(j)ˌej.tɚ/ noun
Forms radiators
- noun Anything which radiates or emits rays.
- noun (automotive, mechanical) A device that lowers engine coolant temperature by conducting heat to the air, through metal fins. “The car overheated because of a broken radiator.”
- noun (of buildings) A finned metal fixture that carries hot water or steam in order to heat a room. “The radiator kept the apartment warm during winter.”
- noun (electronics) A type of antenna.
Etymology
From radiate + -or. Doublet of radiatori.
Webster’s 1913
Sources: Wiktionary · Webster’s 1913 — from the Wiktionary entry “radiator”, CC BY-SA 4.0. Details