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.
And its models say that traffic diversion will increase levels of PM10, particulate matter with a diameter of 10 microns or less that harms the hugs and heart and is commonly emitted from vehicles and construction sites. Rachel Uranga, Los Angeles Times, 4 Nov. 2024 This option has a three-stage filtration system to remove particles as small as 0.3 microns, including a carbon filter to get rid of odors. Lauren Taylor, Better Homes & Gardens, 8 Oct. 2024 The grains in the sample were no bigger than a few hundred microns—or millionths of a meter—and were handled in small dishes made of sapphire, to allow the sample to be studied in wavelengths beyond the visible and up into the infrared. Jeffrey Kluger, TIME, 30 Sep. 2024 Like most filters, the Home Emergency Water Filter is not able to remove viruses, which are much smaller than 0.2 microns. Wes Siler, Outside Online, 5 Apr. 2020 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

Dictionary Entries Near micron

Cite this Entry

“Micron.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/micron. Accessed 1 Dec. 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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