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
Our hype glances off it and does less than the tiniest meteoroid.
—
Kaitlyn Tiffany, The Atlantic, 3 Jan. 2026
If meteoroids survive their trip to Earth without burning up in the atmosphere, they are called meteorites, NASA says.
—Eric Lagatta, USA Today, 2 Jan. 2026
The debris — small rocks known as meteoroids — collides with Earth's atmosphere at high speed and disintegrates, creating fiery and colorful streaks in the sky, according to NASA.
—Jenna Prestininzi, Freep.com, 27 Dec. 2025
However, the meteors that will be visible are decidedly brighter than during the early stages of the display, probably because smaller meteoroids dominate at the beginning, but larger particles trail behind toward the end.
—Joe Rao, Space.com, 7 Dec. 2025
See All Example Sentences for meteoroid
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Kaitlyn Tiffany, The Atlantic, 3 Jan. 2026
If meteoroids survive their trip to Earth without burning up in the atmosphere, they are called meteorites, NASA says.
—Eric Lagatta, USA Today, 2 Jan. 2026
The debris — small rocks known as meteoroids — collides with Earth's atmosphere at high speed and disintegrates, creating fiery and colorful streaks in the sky, according to NASA.
—Jenna Prestininzi, Freep.com, 27 Dec. 2025
However, the meteors that will be visible are decidedly brighter than during the early stages of the display, probably because smaller meteoroids dominate at the beginning, but larger particles trail behind toward the end.
—Joe Rao, Space.com, 7 Dec. 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 10 Jan. 2026.
Copy CitationKids Definition
meteoroid
noun
me·te·or·oid
ˈmēt-ē-ə-ˌrȯid
: a meteor revolving around the sun
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