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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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 Scientists had speculated that either micrometeoroids were to blame or solar wind hitting the lunar surface transferred energy into particles and ejected them upward in a process called sputtering. Jonathan O’Callaghan, Discover Magazine, 21 Oct. 2024 This time around, his training was more intensive — involving preparation and contingency work for deep-space issues like high radiation, micrometeoroids and orbital debris. Tom Huddleston Jr., CNBC, 3 Oct. 2024 This suit is a complex system that provides oxygen and water, regulates temperature and pressure, and shields the wearer from micrometeoroids and radiation. Jake Parks, Discover Magazine, 3 Sep. 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

Dictionary Entries Near micrometeoroid

Cite this Entry

“Micrometeoroid.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/micrometeoroid. Accessed 21 Nov. 2024.

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