belt vs Van Allen belt

belt and Van Allen belt both are nouns.

Word	Noun	Adjective	Verb	Adverb
belt	Yes	No	Yes	No
Van Allen belt	Yes	No	No	No

belt (noun)	Van Allen belt (noun)
the act of hitting vigorously	a belt of charged particles (resulting from cosmic rays) above the Earth trapped by the Earth's magnetic field
a band to tie or buckle around the body (usually at the waist)
endless loop of flexible material between two rotating shafts or pulleys
ammunition (usually of small caliber) loaded in flexible linked strips for use in a machine gun
a vigorous blow
an elongated region where a specific condition or characteristic is found
a path or strip (as cut by one course of mowing)