micron

noun

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

Examples of micron in a Sentence

Recent Examples on the Web Microfiltration has an average pore size of 0.1 microns—or millionths of a meter. Jeffrey Kluger, TIME, 9 Aug. 2024 Those hollow fibers are only 0.2 microns in diameter, so contaminants like bacteria and protozoa, chemicals, or particulates like dirt and microplastics are unable to pass through. Wes Siler, Outside Online, 5 Apr. 2020 At those wavelengths, say around two microns, its resolution is comparable to what Hubble can see at visible light wavelengths. Phil Plait, Scientific American, 30 Aug. 2024 Out in the mid-infrared, at 10 to 20 microns, JWST’s resolution is even lower. Phil Plait, Scientific American, 30 Aug. 2024 See all Example Sentences for micron 

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'micron.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

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

Dictionary Entries Near micron

Cite this Entry

“Micron.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/micron. Accessed 21 Oct. 2024.

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

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