(historical) A device whose readings, when coordinated from several sites, can be used to determine the exact position of an atomic blast.

Alternative form of X-radiation

Alternative form of ultraviolet radiation

a form of non-ionizing radiation emitted by the sun and other artificial sources

(automotive) A rubber hose of a large diameter which carries engine coolant between the engine and radiator, and then backs towards the water pump. / (vulgar, slang) A large penis of a black man.

plural of radiator hose

(astronomy) All the electromagnetic radiation entering the Earth from non-point sources in deep space.

(astronomy) Electromagnetic waves with a wavelength less than one millimeter (the band begins at about 0.3 THz). A term often used by radio astronomers.

electromagnetic radiation consisting of X-rays, radiation in the X-ray spectrum, of shorter wavelength and higher frequency than ultraviolet and longer wavelength and lower frequency than gamma rays

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