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.
Each electrode is smaller than 40 microns – thinner than a human hair. New Atlas, 21 Nov. 2025 To manage cold temperatures, an internal heating structure composed of a thin film of nickel foil (approximately 10 microns thick) will be added to the battery. Mrigakshi Dixit, Interesting Engineering, 5 Nov. 2025 The nylon pre-filter and carbon layer capture larger particles and household odors, while the HEPA-grade filter removes at least 99.97% of fine particles as small as 0.3 microns. Shubham Yewale, PC Magazine, 10 Sep. 2025 Lab tests showed that even a microns-thick transparent layer of the new lotions effectively blocked UV light. Andrew Paul, Popular Science, 4 Sep. 2025 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 23 Nov. 2025.

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
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