- radiator - any object that radiates energy
--1 is a kind of natural object
--1 has particulars: radio sourceDerived form: verb radiate7 - radiator - heater consisting of a series of pipes for circulating steam or hot water to heat rooms or buildings
--2 is a kind of heater, warmer
--2 is a part of heating system, heating plant, heating, heat- radiator - 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
--3 is a kind of mechanism
--3 is a part of cooling system, engine cooling system
--3 has part: radiator cap - radiator - 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