\ ˈmyü How to pronounce mu (audio) , ˈmü How to pronounce mu (audio) \

Definition of mu

: the 12th letter of the Greek alphabet — see Alphabet Table

Examples of mu in a Sentence

Recent Examples on the Web The findings suggested that a drug able to nudge the mu-opioid receptors toward G-protein signaling and away from beta-arrestin2 signaling would prompt more pain relief with fewer risks. Kelly Servick, Science | AAAS, "Redesigning opioids may not prevent their fatal side effect," 27 Feb. 2020 But by the early ’80s big-name producers were all over them, and soon, less expensive models like the E-mu Emulator and the Ensoniq Mirage spread sampling even further. Jim Allen, Popular Mechanics, "5 Music Inventions that Rocked the ’80s—and Every Decade After," 14 Jan. 2020 By activating only the kappa receptor, the chemical shouldn’t cause any of the side effects associated with the mu. Jonathon Keats, Discover Magazine, "Building a Better Painkiller," 11 May 2018 Unfortunately, the researchers did not have sufficient mu metal to shield all the cables and electronics. Chris Lee, Ars Technica, "NASA’s EM-drive is a magnetic WTF-thruster," 21 May 2018 These receptors come in three flavors: mu, delta and kappa. Jon Kelvey, Smithsonian, "America’s Long-Overdue Opioid Revolution Is Finally Here," 13 Jan. 2017 A few years later, studies hinted that a band of 8- to 13-hertz brain waves called the mu rhythm may be abnormal in some people with autism. Hannah Furfaro, Slate Magazine, "DeVos-Backed Neurofeedback Company Has Escaped Government Scrutiny," 10 Oct. 2017 Zhang Yourong, the farmer managing 270 mu (44 acres), arrives in a pickup loaded with pesticide bottles., "'Plant Factories' Churn Out Clean Food in China’s Dirty Cities," 25 May 2017 The nitpicking audio press, which favors tower speakers and 50-pound pre-amps over Wi-Fi antennae and digital-filtering algorithms, has already lavished the mu-so with enough praise to make industry execs nervous. Rene Chun, WIRED, "Naim Does the Impossible: Build a Soundbar Even Audiophiles Love," 24 Oct. 2014

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'mu.' 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 mu

13th century, in the meaning defined above

History and Etymology for mu

Greek my

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Time Traveler for mu

Time Traveler

The first known use of mu was in the 13th century

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Cite this Entry

“Mu.” Dictionary, Merriam-Webster, Accessed 5 Mar. 2021.

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More Definitions for mu


\ ˈmyü How to pronounce mu (audio) , ˈmü How to pronounce mu (audio) \
plural mu

Medical Definition of mu

: micron

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