antilepton antileptic • antilethargic · · · Info · Definitions · Characters · · antilepton · · Text Latin · · Script 10 · · Length 4 · · Syllables Definitions · · · (noun) the antiparticle of a lepton. · · Noun Definition 1 Characters · · a latin small letter a U+0061 e latin small letter e U+0065 i latin small letter i U+0069 l latin small letter l U+006C n latin small letter n U+006E o latin small letter o U+006F p latin small letter p U+0070 t latin small letter t U+0074