polyacrylamide Syllabification: (pol·y·a·cryl·a·mide)Pronunciation: /ˌpälēəˈkriləˌmīd/Definition of polyacrylamide noun a synthetic resin made by polymerizing acrylamide, especially a water-soluble polymer used to form or stabilize gels and as a thickening or clarifying agent. polyacrylamide in other Oxford dictionaries Definition of polyacrylamide in the British & World English dictionary