micro

1 of 3

adjective

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

micro

2 of 3

noun

plural micros

micro-

3 of 3

combining form

see micr-

Examples of micro in a Sentence

Recent Examples on the Web
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Adjective
Warsh shares Miran's view that the Fed has gotten tripped in over analyzing micro-level prices, Warsh said at his April 21 confirmation hearing. Matt Peterson,steve Liesman, CNBC, 15 May 2026 At the same time, data suggests that 51,000 sites across the nation could support micro hydropower generation. Georgina Jedikovska, Interesting Engineering, 15 May 2026 According to Ashley Bruggeman, CEO and principal designer at Ashley Morgan Interiors in Lexington, Kentucky, sheer curtains can help make your micro outdoor space feel like an escape. Quincy Bulin, Southern Living, 12 May 2026 My mother-in-law uses the Boacay Soft and Warm Travel Blanket because the ultra-soft, micro-plush fabric keeps her warm in chilly airplane cabins without irritating her skin. Karthika Gupta, Travel + Leisure, 10 May 2026 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

Browse Nearby Words

Cite this Entry

“Micro.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/micro. Accessed 20 May. 2026.

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

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