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1. Oxford Dictionary

   radiator

   • IPA[ˈreɪdɪeɪtə]

   英式

   • n.
     a thing that radiates or emits light, heat, or sound；a device for heating a room consisting of a metal tank connected by pipes through which hot water is pumped by a central heating system.

   • noun: radiator, plural noun: radiators

2. • 釋義

   n.

   名詞

   • 1. a thing that radiates or emits light, heat, or sound a dipole is a less efficient radiator of sound than a monopole
   • ▪ a device for heating a room consisting of a metal tank connected by pipes through which hot water is pumped by a central heating system.
   • ▪ a portable oil or electric heater.
   • 2. an engine-cooling device in a motor vehicle or aircraft consisting of a bank of thin tubes in which circulating water is cooled by the surrounding air the water in my car radiator froze