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
Adjective
Arizona could achieve complete electricity independence with micro nuclear reactors using uranium mined in Arizona. Laura Gersony, The Arizona Republic, 9 July 2024 At the forefront of this micro trend is Canadian nail brand Gelcare. Fiona Embleton, Glamour, 7 July 2024
Noun
So the independence of the macro from the micro is not complete: There is some leakage between levels. Quanta Magazine, 10 June 2024 This collection features a variety of essential pieces, including swimwear, slip dresses, micro and tennis skirts, button-downs and retro corset tops. Jordan Greene, Peoplemag, 27 Mar. 2024 See all Example Sentences for micro 

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'micro.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

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

Dictionary Entries Near micro

Cite this Entry

“Micro.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/micro. Accessed 15 Jul. 2024.

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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