muon

1. An elementary particle in the lepton family (not a meson), having a mass 209 times that of the electron, a negative electric charge, and a mean lifetime of 2.2 × 10-6 seconds. Also called mu meson. See Table at subatomic particle.

2. An unstable lepton that is common in the cosmic radiation near the earth's surface, has a mass about 207 times the mass of the electron, and exists in negative and positive forms.

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Top Words by points	Points	Word Game
muon	6	Scrabble

2 Letters	Scrabble® Points
mo	4
mu	4
no	2
nu	2
om	4
on	2
um	4
un	2

3 Letters	Scrabble® Points
mon	5
mun	5
nom	5

4 Letters	Scrabble® Points
muon	6