Word Study
muon
WORDNET DICTIONARY
Noun muon has 1 sense
- muon(n = noun.object) mu-meson, negative muon - an elementary particle with a negative charge and a half-life of 2 microsecond; decays to electron and neutrino and antineutrino; Array is a kind of lepton
OXFORD DICTIONARY
muon, n. Physics an unstable elementary particle like an electron, but with a much greater mass.
Etymology
{divide} (MU), as the symbol for it
For further exploring for "muon" in Webster Dictionary Online
