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
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
Marquis said the new template of sprawling, micro protests is more accessible to suburban protesters. Taylor Seely, AZCentral.com, 10 Feb. 2026 Monica Monica tapped Ricky Wing to slick her hair in a high ponytail and trim micro bangs just above her brows. Kaleigh Werner, Footwear News, 10 Feb. 2026 The 2023 four-bedroom features a double-height great room with micro-cement flooring and a chef’s kitchen with maple cabinets, an arched bar, and Bertazzoni appliances. The Week Us, TheWeek, 9 Feb. 2026 Coined by nail artist Betina Goldstein, the micro-French style swaps a large swath of white for a barely-there flash of paint across the free edge of the nail. Laura Solla, Vogue, 9 Feb. 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 14 Feb. 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
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster