Meaning of “radiator” in the English Dictionary

british dictionary

"radiator" in British English

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radiatornoun [ C ]

uk /ˈreɪ.di.eɪ.tər/ us /ˈreɪ.di.eɪ.t̬ɚ/

a device, usually a container filled with water, that sends out heat, often as part of a heating or cooling system:

When we installed the central heating, we put a radiator in every room.
My car engine overheated because the water had leaked out of the radiator.

(Definition of “radiator” from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"radiator" in American English

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radiatornoun [ C ]

us /ˈreɪ·diˌeɪ·t̬ər/

a device for heating rooms in buildings, consisting of a series of pipes through which steam or hot water passes

In a motor vehicle, a radiator is a device for cooling the engine.

(Definition of “radiator” from the Cambridge Academic Content Dictionary © Cambridge University Press)