Also found in: Thesaurus, Wikipedia.
Switch to new thesaurus
|Noun||1.||mu-meson - an elementary particle with a negative charge and a half-life of 2 microsecond; decays to electron and neutrino and antineutrino|
lepton - an elementary particle that participates in weak interactions; has a baryon number of 0
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.