Van Allen belt


Van Al·len belt

noun \van-ˈa-lən-\

Definition of VAN ALLEN BELT

: a belt of intense radiation in the magnetosphere composed of energetic charged particles trapped by the earth's magnetic field; also : a similar belt surrounding another planet

Origin of VAN ALLEN BELT

James A. Van Allen
First Known Use: 1958

Rhymes with VAN ALLEN BELT

Browse

Next Word in the Dictionary: Van Allen radiation belt
Previous Word in the Dictionary: vanadyl
All Words Near: Van Allen belt

Seen & Heard

What made you want to look up Van Allen belt? Please tell us where you read or heard it (including the quote, if possible).

Test Your Vocabulary

Take Our 10-Question Quiz

Name That Thing

Take our visual vocab quiz

Test Your Knowledge »

True or False?

A quick quiz about stuff worth knowing

Take It Now »

Join Us on FB & Twitter

Get the Word of the Day and More

Facebook | Twitter

Get Our Free Apps

Voice Search, Favorites,
Word of the Day, and More

iPhone | iPad | Android | More