micro

1 of 2

adjective

mi·​cro ˈmī-(ˌ)krō How to pronounce micro (audio)
1
: very small
especially : microscopic
2
: involving minute quantities or variations

micro

2 of 2

noun

plural micros

Examples of micro 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.
Adjective
Imaging tools come into play The team then used imaging tools, such as hospital and micro-CT scans, thin sections, X-ray spectroscopy, clay analyses, and examination of the discovery site. Abhishek Bhardwaj, Interesting Engineering, 24 Oct. 2025 Sereno’s team utilized multiple imaging techniques such as micro-CT scans and X-ray spectroscopy to closely analyze how this process might occur. Andrew Paul, Popular Science, 23 Oct. 2025
Noun
The firm’s annual global survey of more than 100,000 consumers showed micro-dramas and mini-dramas gaining traction on social media, with YouTube and TikTok the leading destinations while commissioners look to specialized apps like DramaBox and ReelShorts. Jesse Whittock, Deadline, 27 Oct. 2025 Most notably, the Type 2 micro-vans were the transportation choice for the masses en route to the Woodstock music festival in New York in 1969. James Raia, Mercury News, 26 Oct. 2025 See All Example Sentences for micro

Word History

Etymology

Adjective

independent use of micro-

Noun

by shortening

First Known Use

Adjective

1923, in the meaning defined at sense 1

Noun

1971, in the meaning defined at sense 1

Time Traveler
The first known use of micro was in 1923

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Cite this Entry

“Micro.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/micro. Accessed 29 Oct. 2025.

Kids Definition

micro

adjective
mi·​cro
ˈmī-krō

Medical Definition

micro

adjective
mi·​cro ˈmī-(ˌ)krō How to pronounce micro (audio)
1
: very small
especially : microscopic
2
involving minute quantities or variations

More from Merriam-Webster on micro

Last Updated: - Updated example sentences
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