Dictionary
Find
in
Dictionary
Thesaurus
Translations

Click to move up the list of words
radial engine
radial keratotomy
radial-ply
radial symmetry
radial tire
radial velocity
radian
radiance
radiant
radiant energy
radiant flux
radiant heat
radiant heating
radiate
radiation
radiation belt
radiation biology
Click to move down the list of words
Also available:

World English Dictionary
Dictionnaire Français

radiator

ra·di·a·tor [ ráydee àytər ] (plural ra·di·a·tors)


noun 
Definition:
 
1. room heater with pipes: a room-heating device that emits heat from pipes through which hot water, steam, or hot oil circulates, especially one connected to a central boiler-fed system

2. automotive engine-cooling device: a device that prevents a vehicle's engine from overheating, consisting of tubes through which heated water from the engine circulates to be cooled. Cool air is usually circulated around the tubes by means of a fan.

3. physics device emitting radiant energy: a device that emits radiant energy, e.g. a light bulb or a television transmitter

Advertisement

© 2009 Microsoft