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
These examples are automatically compiled from online sources to illustrate current usage. Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
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 One of the telescope’s 18 hexagonal mirrors took a nasty strike from a micrometeoroid, but that had limited impact. Joel Achenbach, Washington Post, 12 July 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 8 Nov. 2024.

More from Merriam-Webster on micrometeoroid

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!