radiatorEnglish → ChineseOxford English–Chineseradiator /BrE ˈreɪdɪeɪtə , AmE ˈreɪdiˌeɪdər / noun 1 (for heat) 暖气; to turn a radiator on/off 开/关暖气; to turn a radiator up/down 把暖气温度调高/低 2 (in engine) 冷却器; to top up a radiator 加满水箱; a radiator cap 散热器盖子