lepton
1. [ noun ] 100 lepta equal 1 drachma
Related terms: Greek_monetary_unit drachma
2. [ noun ] (physics,high energy physics) an elementary particle that participates in weak interactions; has a baryon number of 0
Related terms: fermion elementary_particle electron muon tauon neutrino
Similar spelling:   leftmost
  Lupton
  Lipton
  left-wing
  left-hand
  left_wing
  left_hand