plural of non-ionizing radiation

plural of acute radiation syndrome

(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.

plural of Van Allen radiation belt

(astronomy, physics) Either of two torus-shaped areas of high-energy charged particles which partly surround Earth, trapped by its magnetic field. The areas are characterised by intense radiation. When the belts "overload", particles strike the upper atmosphere and fluoresce, causing the polar aurora.

Without a radiator.

radiating