radiator Meaning, Definition & Usage
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noun any object that radiates energy
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noun heater consisting of a series of pipes for circulating steam or hot water to heat rooms or buildings
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noun a mechanism consisting of a metal honeycomb through which hot fluids circulate; heat is transferred from the fluid through the honeycomb to the airstream that is created either by the motion of the vehicle or by a fan
WordNet
Ra"di*a`tor noun
Definitions
That which radiates or emits rays, whether of light or heat; especially, that part of a heating apparatus from which the heat is radiated or diffused; as, a stream .radiator
