ra·di·a·tor /ˈrediˌetɚ/
 暖氣爐,冷卻器,輻射體
 radiator
 *輻射體 輻射器 散熱器
 Ra·di·a·tor n.
 1. 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 steam radiator.
 2. Any of various devices for cooling an internal substance by radiation, as a system of rings on a gun barrel for cooling it, or a nest of tubes with large radiating surface for cooling circulating water, as in an automobile.
 3.  Wireless Teleg. An oscillator.
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 radiator
      n 1: any object that radiates energy
      2: heater consisting of a series of pipes for circulating steam
         or hot water to heat rooms or buildings
      3: 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