micron

noun

mi·​cron ˈmī-ˌkrän How to pronounce micron (audio)
: micrometer entry 2

Examples of micron in a Sentence

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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.
These disks, 5 millimeters in diameter and 265 microns thick, were then placed over an inflatable membrane, inflated like a balloon to form a dome, magnetized, and returned to their original flat state. — Ars Technica, 27 Dec. 2024 Disks with orthogonal cuts 1.5 millimeters long and 250 microns wide could reach 4 millimeters when exposed to the magnetic field, more than twice as high as domes without them. — Ars Technica, 27 Dec. 2024 The microscopic dust grains in the cloud come in various sizes, though all are generally on the order of a micron. — Phil Plait, Scientific American, 13 Feb. 2025 Each stone is measured and matched with a basket that has been cut for diameter and depth at micron levels to ensure the perfect fit. — Paige Reddinger, Robb Report, 28 Jan. 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

Rhymes for micron

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micron
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Cite this Entry

“Micron.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/micron. Accessed 24 Mar. 2025.

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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

Nglish: Translation of micron for Spanish Speakers

Britannica.com: Encyclopedia article about micron

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