meteoroid
noun
me·te·or·oid
ˈmē-tē-ə-ˌrȯid 
1
: a meteor particle itself without relation to the phenomena it produces when entering the earth's atmosphere
2
: a meteor in orbit around the sun
Examples of meteoroid in a Sentence
Recent Examples on the Web
Tiny meteoroids are constantly striking satellites, and with ejecta from YR4's impact measuring only 0.1-10 mm in size, satellites wouldn't suffer catastrophic damage.
—
Jamie Carter, Forbes.com, 24 June 2025
What's the difference between an asteroid, a meteoroid, a meteorite and a comet?
—Josh Hammer, Newsweek, 19 Mar. 2025
When these objects are still hurtling through space, they’re known as meteoroids.
—Sarah Kuta, Smithsonian Magazine, 8 July 2025
Though lunar impacts have become less frequent over time, tiny meteoroids still create dents in the Moon every day.
—Jack Knudson, Discover Magazine, 4 Apr. 2025
See All Example Sentences for meteoroid
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Jamie Carter, Forbes.com, 24 June 2025
What's the difference between an asteroid, a meteoroid, a meteorite and a comet?
—Josh Hammer, Newsweek, 19 Mar. 2025
When these objects are still hurtling through space, they’re known as meteoroids.
—Sarah Kuta, Smithsonian Magazine, 8 July 2025
Though lunar impacts have become less frequent over time, tiny meteoroids still create dents in the Moon every day.
—Jack Knudson, Discover Magazine, 4 Apr. 2025
See All Example Sentences for meteoroid
Cite this Entry
“Meteoroid.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/meteoroid. Accessed 19 Aug. 2025.
Copy CitationKids Definition
meteoroid
noun
me·te·or·oid
ˈmēt-ē-ə-ˌrȯid
: a meteor revolving around the sun
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