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.