1a 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.
2an 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
Spelling help
Remember that radiator ends with -or.
radiator in other Oxford dictionaries
Definition of radiator in the US English dictionary
