Skip to definition.
Get the FREE one-click dictionary software for Windows or the iPhone/iPad and Android apps


Noun: muon  'myoo,ón
  1. An elementary particle with a negative charge and a half-life of 2 microsecond; decays to electron and neutrino and antineutrino
    - negative muon, mu-meson

Derived forms: muons

Type of: lepton[2]

Encyclopedia: Muon