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English definition of “radiator”

radiator

noun [C]  /ˈreɪ·diˌeɪ·t̬ər/ us  
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)
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