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
Astronomers have discovered three comets from other stars passing by the sun in recent years, and there should be an observable number of meteoroids burning up in our atmosphere from other stars systems as well.
—
Phil Plait, Scientific American, 12 June 2026
The Artemis 2 astronauts remained vigilant while zipping around the far side of the moon last month, on the ready to record meteoroid impact flashes on the lunar landscape.
—Leonard David, Space.com, 8 May 2026
The debris – space 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.
—Eric Lagatta, USA Today, 7 May 2026
If meteoroids survive their trip to Earth without burning up in the atmosphere, they are called meteorites, NASA says.
—Eric Lagatta, AZCentral.com, 20 Apr. 2026
See All Example Sentences for meteoroid
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Phil Plait, Scientific American, 12 June 2026
The Artemis 2 astronauts remained vigilant while zipping around the far side of the moon last month, on the ready to record meteoroid impact flashes on the lunar landscape.
—Leonard David, Space.com, 8 May 2026
The debris – space 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.
—Eric Lagatta, USA Today, 7 May 2026
If meteoroids survive their trip to Earth without burning up in the atmosphere, they are called meteorites, NASA says.
—Eric Lagatta, AZCentral.com, 20 Apr. 2026
See All Example Sentences for meteoroid
Cite this Entry
“Meteoroid.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/meteoroid. Accessed 17 Jun. 2026.
Copy CitationKids Definition
meteoroid
noun
me·te·or·oid
ˈmēt-ē-ə-ˌrȯid
: a meteor revolving around the sun
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