Added 2 October 2026 polyamide noun Categories: NatureRare Words noun ! Definition from Wiktionary (CC BY-SA). More about polyamide at Wordnik → Where our words come from → Any of a range of polymers containing amide (or peptide) repeat units; examples include proteins and nylon. Related Words: imideimidesnylonhomopolyamidepolymeridepolyacylamidepolyesteramidepolyamidoaminepolyamidationpeptideisopropylamide Back to today's word