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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This posed a challenge for Hera, which is indeed not currently close to any denizens of the asteroid belt. Keith Cooper, Space.com, 8 Aug. 2025 The data from the observatories suggested that the chemical signals were coming from a small region of the disc around the star equivalent to the orbit of the asteroid belt around the Earth's sun, according to the researchers. Eric Lagatta, USA Today, 18 July 2025 The chemical signals appear to be coming from a small region of the disc around the star that's equivalent to the orbit of the asteroid belt around our own sun, according to the ESO. Julia Jacobo, ABC News, 17 July 2025 With these observations together, the team determined that the chemical signals were coming from a small region of the disc, surrounding the star equivalent to the orbit of the asteroid belt around our sun. Laura Baisas, Popular Science, 16 July 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 19 Aug. 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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