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
Kim always keeps two thin liner brushes on hand when painting micro fruit: one with extra-long bristles (to create the outlines of your designs) and one with slightly shorter bristles (for adding tiny details). Sophia Panych, Allure, 30 June 2025 Layering, shirting, micro shorts, while leather and denim are still strong. Rhonda Richford, Footwear News, 30 June 2025
Noun
Highlights include a 100 percent cotton V-neck tunic, barrel jean and mid-rise micro short in an orange peel medium wash. Angela Velasquez, Sourcing Journal, 16 June 2025 Wirtz is focused more on the micro, with delicate touches and deft flicks, compared to Szoboszlai’s macro traits of energy and power. David Ornstein, New York Times, 13 June 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 6 Jul. 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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