micron

noun

mi·​cron ˈmī-ˌkrän How to pronounce micron (audio)

Examples of micron 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.
The Philos has 130 settings that make six-micron adjustments, meaning the distance between the burrs moves six microns at a time. Noah Kaufman, Bon Appetit Magazine, 20 Jan. 2026 The paste — a mixture of micron-sized silver powder, glass frit, and organic binders — is screen-printed onto the wafer and then fired at temperatures up to 700 degrees Celsius. Ni Tao, Interesting Engineering, 19 Jan. 2026 The water goes through a sand filter that takes out any particles up to two microns, like a receipt in their pocket or a tag that falls off, or a piece of lint. Marisa Meltzer, Vanity Fair, 14 Jan. 2026 In order to survive long-term, liver cells must be no more than 300 microns, the thickness of three human hairs, away from a blood vessel. Paul Sisson, San Diego Union-Tribune, 12 Jan. 2026 See All Example Sentences for micron

Word History

Etymology

New Latin, from Greek mikron, neuter of mikros small — more at micr-

First Known Use

1879, in the meaning defined above

Time Traveler
The first known use of micron was in 1879

Browse Nearby Words

Cite this Entry

“Micron.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/micron. Accessed 28 Jan. 2026.

Kids Definition

micron

noun
mi·​cron ˈmī-ˌkrän How to pronounce micron (audio)

Medical Definition

micron

noun
mi·​cron ˈmī-ˌkrän How to pronounce micron (audio)
: a unit of length equal to one millionth of a meter

called also micrometer, mu

More from Merriam-Webster on micron

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!