asteroid belt

[ as-tuh-roid belt ]
/ ˈæs təˌrɔɪd ˌbɛlt /
Save This Word!

noun Astronomy.

the region in space between the orbits of Mars and Jupiter, containing the greatest population of asteroids in our solar system: comprising about half the mass of the asteroid belt are its four largest asteroids, namely, Ceres, Pallas, Vesta, and Hygieia.



Apostrophes can be tricky; prove you know the difference between it’s and its in this crafty quiz!
Question 1 of 12
On the farm, the feed for chicks is significantly different from the roosters’; ______ not even comparable.

Origin of asteroid belt

First recorded in 1865–70
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

Cultural definitions for asteroid belt

asteroid belt

A region of the solar system between the orbits of the planets Mars and Jupiter. Most asteroids are found in the asteroid belt.

The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
What's This Word?