English Explanatory Dictionary

muon

English dictionary entry

Meanings

noun
  1. An unstable elementary particle in the lepton family, having similar properties to the electron but with a mass 207 times greater.

Pronunciation

/ˈmjuːɒn/ LL-Q1860 (eng)-Vealhurl-muon.wav

Word forms

muon muons

Etymology

Contraction of the earlier term mu-meson; the particle has now been recategorised as a lepton. Coined by Italian physicist Enrico Fermi in 1951 in his book Elementary Particles.

Derived words

antimuon anti-muon dimuon muogenic muonic muonium muonless muon neutrino muononium smuon trimuon
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