ΜFreq.FrequencyTop 10,000Meanings1nounmu (Greek letter)The 12th letter of the Greek alphabet; used in mathematics, physics, and as the symbol for micro- (μ).μは摩ま擦さつ係けい数すうを表あらわす記き号ごうとしてよく使つかわれる。μ is often used as a symbol for the coefficient of friction.この式しきのΜは平へい均きん値ちを意い味みしている。The Μ in this formula means the mean value.