van allen belt

van Al·len belt

V v

Definitions of van allen belt words

noun van allen belt either of two regions of high-energy-charged particles surrounding the earth, the inner region centered at an altitude of 2000 miles (3200 km) and the outer region at an altitude between 9000 and 12,000 miles (14,500 and 19,000 km). 1
noun van allen belt either of two regions of charged particles above the earth, the inner one extending from 2400 to 5600 kilometres above the earth and the outer one from 13 000 to 19 000 kilometres. The charged particles result from cosmic rays and are trapped by the earth's magnetic field 0

before 1955

One of the 4% newest English words

First recorded in 1955-60; named after J. A. Van Allen

noun

adjective

verb

adverb

pronoun

preposition

conjunction

determiner

exclamation

This term is known only to a narrow circle of people with rare knowledge. Only 3% of English native speakers know the meaning of this word.

According to our data most of word are more popular. This word is almost not used. It has a much more popular synonym.

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