/ˈreɪdieɪtə(r) ||; ˈredɪˌetɚ/noun[C] 1 a piece of equipment that is usually fixed to the wall and is used for heating a room. Radiators are made of metal and filled with hot water. 暖气装置 ☞picture on page C7 见C7页插图
2 a piece of equipment that is used for keeping a car engine cool 引擎散热器