Definition of Kuiper belt in English:

Share this entry

Kuiper belt

Pronunciation: /ˈkʌɪpə bɛlt/


A region of the solar system beyond the orbit of Neptune, believed to contain many comets, asteroids, and other small bodies made largely of ice.
Example sentences
  • The objects in the Kuiper belt represent remnants from the formation of our solar system.
  • Scientists speculate that it could be a body from the distant Kuiper belt, way out in the outer solar system.
  • If Pluto were discovered today, it may not have been called a planet, because it is just one among a myriad of objects in the Kuiper belt.


1990s: named after Gerard P. Kuiper (1905–73), Dutch-born US astronomer.

Share this entry

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.

Related Words