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.
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 The Psyche mission is heading first for Mars, where the spacecraft will use the planet's gravity next year to slingshot itself into the asteroid belt, setting up for arrival and orbit insertion around the asteroid Psyche in August 2029. ArsTechnica, 1 May 2025 They're found in the main asteroid belt, orbiting around the sun between the paths of Mars and Jupiter. Soo Kim, MSNBC Newsweek, 1 May 2025 From The Asteroid Belt The asteroid likely came from the solar system’s main asteroid belt, a region between Mars and Jupiter. Amanda Kooser, Forbes.com, 9 Apr. 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 22 May. 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!