Antilepton
ahd-5
noun.
The antiparticle of a lepton.
Wiktionary, Creative Commons Attribution/Share-Alike License
noun.
The
antiparticle
of a
lepton
.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
noun.
the antiparticle of a lepton
Word Usage
"It decays, nearly instantly, into the heaviest quark-antiquark or lepton-antilepton pair it can."