mu

noun

ˈmyü

ˈmü

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

Word History

Etymology

Greek my

First Known Use

13th century, in the meaning defined above

Time Traveler

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

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Mtwara

muazzin

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Style

“Mu.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/mu. Accessed 28 Feb. 2025.

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Kids Definition

noun

ˈmyü

ˈmü

: the twelfth letter of the Greek alphabet

—Μ or μ

Medical Definition

noun

ˈmyü

ˈmü

plural mu

: micron

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mu

noun

Word History

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