radiation belt

noun Physics.

Van Allen belt.

Origin of radiation belt

First recorded in 1955–60

Words nearby radiation belt

radiata pine, radiate, radiate crown, radiate ligament of rib, radiation, radiation belt, radiation biology, radiation damage, radiation dermatitis, radiation fog, radiation of corpus callosum

British Dictionary definitions for radiation belt

radiation belt

noun

a region in the magnetosphere of a planet in which charged particles are trapped by the planet's magnetic field, an example being the earth's Van Allen belts