noun. ['ˈmuː'] the 12th letter of the Greek alphabet.
- Greek alphabet
- alphabetic character
- letter of the alphabet
- 無 (Japanese)
Words that Rhyme with Mu
noun. an elementary particle with a negative charge and a half-life of 2 microsecond; decays to electron and neutrino and antineutrino.
- negative muon
Example sentences of the word mu
1. Noun, singular or mass
The µ (mu) variable is measured in meters-squared per second and the density of the given liquid is measured in kilograms per meter-squared.
µ (or "mu") is a constant called the vacuum permeability constant and has the value 4π x 10 to the -7 H/m.