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.
from The American Heritage Dictionary of the English Language, 4th Edition
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.
from Free Scrabble Dictionary
Find More Words!
Here are some other words you could make with the letters MUON, you can also use this lookup tool to help you find words with our scrabble word finder.
We're always trying to find interesting facts about words. We would love your input to help us find something interesting about muon. If you know something, let us know. Please make sure you write it in your own words. If we like it we will post it.