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

• circularisation
• circularise
• circularity
• circularization
• circularize
• circularly
• circulate
• circulating
• circulating decimal
• circulating library
• circulation
• circulative
• circulator
• circulatory
• circulatory failure
• circulatory system
• circum-
• circumambient
• circumambulate
• circumboreal
• circumcenter
• circumcentre
• circumcircle
• circumcise
• circumcision