lepton

n.

1.

(Physics) an elementary particle that participates in weak interactions but does not participate in the strong interaction; it has a baryon number of 0. Some known leptons are the electron, the negative muon, the tau-minus particle, and the neutrinos associated with each of these particles.

Noun	1.	lepton - 100 lepta equal 1 drachma
	2.	lepton - an elementary particle that participates in weak interactions; has a baryon number of 0

drachma, Greek drachma, Greek monetary unit