Definition of radiator noun from the Oxford Advanced American Dictionary

     

    radiator

     noun
    noun
    NAmE//ˈreɪdiˌeɪt̮ər//
     
     
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  1. 1a hollow metal device for heating rooms. Radiators are usually connected by pipes through which hot water is sent. a central heating system with a radiator in each room
  2. 2a device for cooling the engine of a vehicle or an aircraft
See the Oxford Advanced Learner's Dictionary entry: radiator