noun
mu
myoo
noun
1
The twelfth letter of the Greek alphabet (Μ, μ).
"In physics, mu often stands for the coefficient of friction."
"Mu is used in statistics to represent the mean of a population."
How to Use Mu
Learner’s notesIn plain EnglishA Greek letter, commonly used as a symbol in math and science.
Common pairings
the letter mu
mu particle
Word Forms
mus plural, mu plural, Mus plural
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In physics, _____ often stands for the coefficient of friction.
Etymology
From Ancient Greek mu, itself from a Phoenician letter meaning "water."