Definition of radiator noun from the Oxford Advanced Learner's Dictionary



    BrE BrE//ˈreɪdieɪtə(r)//
    ; NAmE NAmE//ˈreɪdieɪtər//
    House equipment, Parts of a car
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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 See related entries: House equipment
  2. 2a device for cooling the engine of a vehicle or an aircraft See related entries: Parts of a car
  3. Extra examples He filled his car radiator with water. Top up the radiator before making a long journey. You’ll need to bleed the radiators to remove the airlocks. The radiator in the kitchen isn’t working. You need to bleed the radiator if air gets trapped inside.
See the Oxford Advanced American Dictionary entry: radiator