mu

[ myoo, moo ]

/ myu, mu /

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noun

the 12th letter of the Greek alphabet (M, μ).

the consonant sound represented by this letter.

micron (def. 1).

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Origin of mu

First recorded in 1895–1900, mu is from the Greek word mŷ

Words nearby mu

MTP, Mt. Rev., MTS, MTV, Mtwara, mu, Mu'awiyah I, Muay Thai, Mubarak, muc-, mucedinous

Other definitions for mu (2 of 2)

[ myoo, moo ]

/ myu, mu /

noun

another name for Lemuria¹ (def. 1).

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use mu in a sentence

Mu, a 20-year-old sensation from New Jersey, also followed up her commanding Olympic victory in the 800 meters with a resounding world championship win.
World Championships Success Stories Could Take Track and Field to New Heights|mmitchell|July 26, 2022|Outside Online
There’s an Mu tag that securely stays on the top of your AirPods’ charging case to prevent them from being lost in the first place.
Snag big discounts on the AirPods Pro & AirPod accessories with this sale|Stack Commerce|October 13, 2021|Popular-Science
Branson notes that well-trained Tino would be unlikely to bolt from him—but if the bouncy 120-pounder did wander off, he’d call instead for Mu, his cat-detecting lab mix and Tino’s favorite friend.
How to Find a Lost Dog on a Trail|awise|October 7, 2021|Outside Online
That same year, Mu was appointed head of the team dedicated to developing China’s digital yuan—an idea that takes inspiration from cryptocurrency, while giving Beijing back the power of control.
China is combating crypto with a push for the digital yuan|Jane Li|September 29, 2021|Quartz

Among them: Mu Sochua, a Cambodian parliamentarian with a searing life story.
An Affair to Remember: Diane von Furstenberg Toasts Worldly Women|Abigail Pesta|June 8, 2012|DAILY BEAST
Mu-Chen Li, et al. “Marijuana Use and Motor Vehicle Crashes.”
America's Worst Drivers: The States, Gender, With the Most Accidents|Anneli Rufus|December 31, 2011|DAILY BEAST
Mu ra ka mag napildi sa sugal, You look as if you lost in gambling.
A Dictionary of Cebuano Visayan|John U. Wolff
Mu-col obtains most gratifying results in catarrhal inflammations of the mucous membranes.
The Propaganda for Reform in Proprietary Medicines, Vol. 1 of 2|Various
Summe iuglurs beo e ne cunnen seruin of nan oer gleo bute makien cheres wrenche e mu mis schulen wi ehnen.
Selections from early Middle English, 1130-1250|Various
Swa de e wel blawe; went te nearewe of e horn to his ahne mu; ant utward wide.
Selections from early Middle English, 1130-1250|Various
More mihte do ure helende enne e holi word e he urh his mu spec.
Selections from early Middle English, 1130-1250|Various

British Dictionary definitions for mu (1 of 3)

mu¹

/ (mjuː) /

noun

the 12th letter in the Greek alphabet (Μ, μ), a consonant, transliterated as m

British Dictionary definitions for mu (2 of 3)

mu²

the internet domain name for

Mauritius

British Dictionary definitions for mu (3 of 3)

abbreviation for

Musicians' Union

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012