Definitions for van allen beltvæn ˈæl ən

This page provides all possible meanings and translations of the word van allen belt

Random House Webster's College Dictionary

Van Al′len belt`væn ˈæl ən(n.)

  1. either of two atmospheric regions of high-energy charged particles, one at an altitude of about 2000 mi. (3200 km) and the other at from 9000 to 12,000 mi. (14,500 to 19,000 km).

    Category: Physics

Origin of Van Allen belt:

1955–60; after J. A. Van Allen (b. 1914), U.S. physicist

Princeton's WordNet

  1. Van Allen belt(noun)

    a belt of charged particles (resulting from cosmic rays) above the Earth trapped by the Earth's magnetic field


  1. Van Allen belt(Noun)

    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.

  2. Van Allen belt(Noun)

    Any of similar areas around another planet.

  3. Origin: From James Alfred Van Allen, US physicist.


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