1. An elementary particle with a negative charge and a half-life of 2 microsecond; decays to electron and neutrino and antineutrino
   - muon, negative muon

Derived forms: mu-mesons

Type of: lepton

• recension
• recent
• Recent epoch
• recently
• recentness
• receptacle
• reception
• reception desk
• reception line
• reception room
• receptionist
• receptive
• receptive aphasia
• receptively
• receptiveness
• receptivity
• receptor
• recess
• recessed
• recession
• recessional
• recessional march
• recessionary
• recessive
• recessive allele