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English definition of “radiator”

radiator

noun [C] uk   /ˈreɪ.di.eɪ.tər/ us    /-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 Learners Dictionary & Thesaurus © Cambridge University Press)
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