asteroid belt

noun

: the region of interplanetary space between the orbits of Mars and Jupiter in which most asteroids are found

Examples of asteroid belt in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
They are found concentrated in the main asteroid belt, orbiting around the sun between the paths of Mars and Jupiter. Soo Kim, MSNBC Newsweek, 22 May 2025 The next major milestone for the mission's route falls in the spring of 2026, when Psyche will fly by Mars and use the Red Planet's gravitational tides to catapult itself toward the main asteroid belt. Monisha Ravisetti, Space.com, 1 May 2025 The majority of asteroids orbit the Sun in the main asteroid belt, located between Mars and Jupiter. Dan Perry, Newsweek, 28 Feb. 2025 There’s still one such ring around the Sun – it’s called the asteroid belt and lies between Mars and Jupiter, with the Sun’s gravity holding the rocks in orbit. Alexander E. Gates, The Conversation, 5 May 2025 See All Example Sentences for asteroid belt

Word History

First Known Use

1867, in the meaning defined above

Time Traveler
The first known use of asteroid belt was in 1867

Browse Nearby Words

Cite this Entry

“Asteroid belt.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/asteroid%20belt. Accessed 4 Jun. 2025.

Kids Definition

asteroid belt

noun
: the region of interplanetary space between the orbits of Mars and Jupiter in which most asteroids are found

More from Merriam-Webster on asteroid belt

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!