nylon UK /ˈnaɪlɒn/US /ˈnaɪlɑn/ noun3 •Originally, the DuPont company trade name for polyamide, a copolymer whose molecules consist of alternating diamine and dicarboxylic acid monomers bonded together; now generically used for this type of polymer. •[in the plural] A stocking originally fabricated from nylon; also used generically for any long, sheer stocking worn on a woman's legs.I tore a hole in my nylons while walking home through the woods. •A Queen's Counsel, King's Counsel or Senior Counsel who was appointed as a courtesy, rather than on merit. formsnylons