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Noun: lepton (lepta)  'lep,tón
  1. Former Greek monetary until, with 100 lepta equal to 1 drachma
Noun: lepton[2] (leptons)  'lep,tón
  1. An elementary particle that participates in weak interactions; has a baryon number of 0

Derived forms: leptons, lepta

Type of: elementary particle, fermion, fundamental particle, Greek monetary unit

Part of: drachma, Greek drachma

Encyclopedia: Lepton, West Yorkshire