ˈreɪdɪeɪtə n. 1 a
person or
thing that radiates. 2 a a
device for heating a
room etc., consisting of a
metal case
through which hot water or
steam circulates. b a usu.
portable oil or
electric heater resembling
this. 3 an engine-cooling device in a
motor vehicle or
aircraft with a
large surface for cooling circulating water. øradiator
grille a grille at
the front of a motor vehicle allowing
air to
circulate to the radiator.