Word Study
[2x]
: MÜ Mä Mæ Mé Mê Mö Mœ M- M. M1 M2 M3 M< Ma Mb Mc Md Me Mf Mg Mh Mi Mk Ml Mm Mn Mo Mp Mr Ms Mt Mu Mv Mw Mx My
mu meson
CIDE DICTIONARY
mu meson, n.
an elementary particle with a negative charge and a half-life of 2 microseconds; the muon. It is a lepton , not a true meson, and decays to an electron and neutrino and antineutrino. [WordNet 1.5]
For further exploring for "mu meson" in Webster Dictionary Online