Word Study
lepton
WORDNET DICTIONARY
Noun lepton has 2 senses
- lepton(n = noun.quantity) Array - 100 lepta equal 1 drachma in Greece; Array is a kind of greek monetary unit
- lepton(n = noun.object) Array - an elementary particle that participates in weak interactions; has a baryon number of 0; Array has particulars: electron, negatron, mu-meson, muon, negative muon, neutrino, tau-minus particle, tauon
is a part of drachma, greek drachma
is a kind of elementary particle, fundamental particle, fermion
CIDE DICTIONARY
lepton, n.
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. [WordNet 1.5]
OXFORD DICTIONARY
lepton, n. (pl. lepta) a Greek coin worth one-hundredth of a drachma.
lepton, n. (pl. leptons) Physics any of a class of elementary particles which do not undergo strong interaction, e.g. an electron, muon, or neutrino.
Etymology
LEPTO- + -ON
For further exploring for "lepton" in Webster Dictionary Online