micrometeoroid

noun

mi·​cro·​me·​te·​or·​oid ˌmī-krō-ˈmē-tē-ə-ˌrȯid How to pronounce micrometeoroid (audio)

Examples of micrometeoroid in a Sentence

Recent Examples on the Web
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Bigelow is reasonably confident that neither of these things are very likely: BEAM's skin is made up of a proprietary layered sandwich of films, fabrics, and foams that provide, Bigelow says, better radiation and micrometeoroid protection than the rest of the ISS. IEEE Spectrum, 8 Apr. 2016 By using computer modeling, researchers demonstrated that micrometeoroids striking the rings are vaporized on impact, leaving little to no dark residue behind. Thomas G. Moukawsher, Newsweek, 16 Dec. 2024 Roscosmos blamed these leaks on impacts from micrometeoroids or orbital debris, which NASA publicly accepted. Jess Thomson, Newsweek, 26 Nov. 2024 These elements are linked to both processes, indicating that both micrometeoroids and solar wind added to the Moon’s exosphere. Jonathan O’Callaghan, Discover Magazine, 21 Oct. 2024 See All Example Sentences for micrometeoroid

Word History

First Known Use

1954, in the meaning defined above

Time Traveler
The first known use of micrometeoroid was in 1954

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Cite this Entry

“Micrometeoroid.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/micrometeoroid. Accessed 3 Mar. 2025.

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