micro

1 of 2

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 2

noun

plural micros

Examples of micro in a Sentence

Recent Examples on the Web
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Adjective
Each eye uses a full HD micro-OLED panel with a resolution of 1920 x 1080 pixels, supplied by Sony. Sujita Sinha, Interesting Engineering, 6 Jan. 2026 On board is a micro rover built by ispace called Tenacious as well as several commercial payloads. Richard Tribou, The Orlando Sentinel, 4 Jan. 2026
Noun
The sprinkle of micro cilantro gives it a fresh little kick at the end. Heidi Finley, Charlotte Observer, 6 Jan. 2026 Short-form platforms are also evolving toward episodic consumption, with micro-dramas emerging as a measurable revenue category in China and expected to gain relevance in India, Indonesia, Japan and Thailand. Naman Ramachandran, Variety, 6 Jan. 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 8 Jan. 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

More from Merriam-Webster on micro

Last Updated: - Updated example sentences
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