micrometeoroid

noun

mi·cro·me·te·or·oid ˌmī-krō-ˈmē-tē-ə-ˌrȯid

: micrometeorite sense 2

Examples of micrometeoroid in a Sentence

Recent Examples on the Web

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.

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 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 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

See more words from the same year

Cite this Entry

Style

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

Copy Citation