| 释义 |
lep·ton
I. \lepˈtȯn\ noun
(plural lep·ta \-ˈtä\)
Etymology: Greek, from neuter of leptos small — more at lept-
1. : a small bronze coin of ancient Greece
2. : a small bronze Judaean coin minted until the middle of the 1st century A.D.
3. [New Greek, from Greek]
a. : a unit of value of modern Greece equal to 1/100 of a drachma — see money table
b. : a coin representing such a lepton
II. \ˈlepˌtän, -_tən\ noun
Etymology: New Latin, from Greek, neuter of leptos small, fine
1. capitalized : a genus of minute bivalve mollusks (suborder Submytilacea) with round flat thin shells
2. -s : any mollusk of the genus Lepton
III. noun
(-s)
Etymology: lept- + -on
: any of a family of particles (as electrons, muons, and neutrinos) that have one-half quantum unit of spin, obey Fermi-Dirac statistics, and experience no strong interactions |