mi·​cro | \ ˈmī-(ˌ)krō How to pronounce micro (audio) \

Definition of micro

 (Entry 1 of 2)

1 : very small especially : microscopic
2 : involving minute quantities or variations


plural micros

Definition of micro (Entry 2 of 2)

Examples of micro in a Sentence

Recent Examples on the Web: Adjective The bottle comes with a micro-USB charger which is convenient. Ellen Mcalpine, CNN Underscored, "This Equa Smart Water Bottle will glow to remind you to stay hydrated," 29 June 2020 The decision comes after years of legal proceedings related to the complex dubbed The Derby Roosevelt Row, a micro-unit apartment complex planned for Second and McKinley streets. Jessica Boehm, The Arizona Republic, "Phoenix gave illegal tax break to developer of downtown apartment complex, judge rules," 25 June 2020 The city’s small business support initiative comes after Bexar County assembled its own grant fund for small- and micro businesses. Diego Mendoza-moyers, ExpressNews.com, "City to offer $27 million in coronavirus grants for small businesses," 25 June 2020 But most of the presentation revolved around an array of micro-sized features that, for instance, could help iPhone users manage their apps better, find new ones, and use their phones to unlock and start their cars remotely. Michael Liedtke, BostonGlobe.com, "Apple previews new iPhone software, changes to Mac chips," 22 June 2020 Say the RetroMan used a new, proprietary micro-cassette format that could store 300 minutes of audio per tape. Kyle Orland, Ars Technica, "Evercade’s retro portable made me fall out of love with game cartridges," 19 June 2020 And Saul is intensely micro in its depiction of the legal profession. Darren Franich, EW.com, "The death and life of the lawyer show," 18 June 2020 And at the micro level, food obviously plays an essential role in so many aspects of our lives. Rachel King, Fortune, "The Coronavirus Economy: The fine dining veterans aspiring to elevate frozen food," 16 June 2020 But in its conceit and execution, Group represents a shift in the micro-genre. Amy Wallace, The Atlantic, "The Curious Comforts of a YouTube Show About Group Therapy," 11 June 2020 Recent Examples on the Web: Noun Even artists who work with big names still experience micro-aggressions and pay disparities on jobs. Shalwah Evans, Essence, "This Black-Owned Agency Is Putting Black Beauty Creatives On The Map," 24 June 2020 Using this network as a base, the company says Jio Platforms aims to include millions of small merchants, micro-businesses, and farmers in its digital network. Grady Mcgregor, Fortune, "11 deals for $15 billion in 10 weeks: Why India’s Jio Platforms is on an investment spree," 20 June 2020 Over the weekend, about two dozen people served as sentinels, provided the micro-neighborhood with a round-the-clock security presence. Gregory Scruggs, Anchorage Daily News, "This Seattle protest zone is police-free. So volunteers are stepping up to provide security.," 18 June 2020 Bad posture contorts the spine and adds undue pressure, creating an accumulation of micro-injuries that can affect a person’s health and mood. Hannah Seo, Popular Science, "Working from home can ravage your spine, but good posture can help fix it," 12 June 2020 Unlike the temporary rule, HB 669 sets no limit on how many drinks could be sold, though micro-distilleries would still have to abide by an existing daily limit of 1.5 liters of liquor per customer. Jeremy Pelzer, cleveland, "Bill to permanently allow carryout, delivery orders of alcoholic drinks clears Ohio House," 10 June 2020 Biologist Adrianna Briscoe and engineer Jahoe Lee, both of the University of California have teamed up to study the micro-structures on butterfly wings that allow the insects to heat up and cool down in extreme environments. Popular Science, "We can soon thank butterfly tongues for better cancer treatments and vaccines," 2 June 2020 This panel exceeds typical panels by combining six kinds of collectors into one micro-thin surface. Caroline Delbert, Popular Mechanics, "This Solar Panel Just Set a World Record for Efficiency," 20 Apr. 2020 But user groups argue that Facebook ads are not third-party content because the company developed the micro-targeting ad technology. Alexia Fernández Campbell, Vox, "Women accuse Facebook of illegally posting job ads that only men can see," 18 Sep. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'micro.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of micro


1923, in the meaning defined at sense 1


1971, in the meaning defined at sense 1

History and Etymology for micro



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Time Traveler for micro

Time Traveler

The first known use of micro was in 1923

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Statistics for micro

Last Updated

2 Jul 2020

Cite this Entry

“Micro.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/micro. Accessed 12 Jul. 2020.

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More Definitions for micro


mi·​cro | \ ˈmī-(ˌ)krō How to pronounce micro (audio) \

Medical Definition of micro

1 : very small especially : microscopic
2 involving minute quantities or variations

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More from Merriam-Webster on micro

Thesaurus: All synonyms and antonyms for micro

Spanish Central: Translation of micro

Britannica English: Translation of micro for Arabic Speakers

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