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
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However, further analysis indicated the collision likely occurred in early 2009 within the asteroid belt. Sharmila Kuthunur, Space.com, 24 Apr. 2025 One such location is Ceres, located in the asteroid belt between Mars and Jupiter. Jack Knudson, Discover Magazine, 24 Apr. 2025 Among them, for example, was a proposal that would have included Ceres, the largest asteroid in the main asteroid belt between Mars and Jupiter, as a planet. Phil Plait, Scientific American, 30 Jan. 2025 Asteroids—small, rocky masses left over from the formation of the solar system about 4.6 billion years ago—are found concentrated in the main asteroid belt, orbiting around the sun between the paths of Mars and Jupiter. Josh Hammer, MSNBC Newsweek, 1 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

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Cite this Entry

“Asteroid belt.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/asteroid%20belt. Accessed 11 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

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