Anything which radiates or emits rays. / (automotive) A device that lowers engine coolant temperature by conducting heat to the air, through metal fins.

Of or pertaining to radiation

In a radiate manner; with radiation or divergence from a centre.

The quality of being radiate.

simple past tense and past participle of x-radiate

(radio) the energy of a radio frequency, determined by multiplying the transmitter power output with the antenna gain.

plural of effective radiated power

(physics) The electromagnetic radiation emitted from a body as a consequence of its temperature; increasing the temperature of the body increases the amount of radiation produced, and shifts it to shorter wavelengths (higher frequencies) in a manner explained only by quantum mechanics.

(physics) The radiation of beta particles as a result of radioactive decay.

(engineering) Electromagnetic waves with frequencies around one terahertz. / (engineering) Especially electromagnetic waves in the range 0.1-30 THz (or subranges there of, see T-rays or T-waves).