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, its size (Ceres makes up 25% of the asteroid belt's total mass) and distinct characteristics set it apart from its rocky neighbors, leading scientists to reclassify it as a dwarf planet in 2006. Victoria Corless, Space.com, 30 Jan. 2025 Bright deposits on the dwarf planet Ceres, the largest body in the asteroid belt, contain sodium carbonate. Ars Technica, 30 Jan. 2025 Asteroids in our solar system are mostly found in the asteroid belt between Mars and Jupiter. Joel Thayer, Newsweek, 27 Jan. 2025 They are primarily found orbiting the sun, between the paths of Mars and Jupiter, in the main asteroid belt. Thomas G. Moukawsher, Newsweek, 30 Jan. 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 3 Mar. 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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