[fawr-mal] /ˈfɔr mæl/
a colorless, water-insoluble, polyvinyl acetal produced from partially hydrolyzed polyvinyl acetate and formaldehyde, used chiefly in the manufacture of lacquers.
[pol-ee-vahy-nil-i-deen] /ˌpɒl i vaɪˈnɪl ɪˌdin/ adjective, Chemistry. 1. pertaining to or derived from a polymer of a vinylidene compound.
noun, Chemistry. 1. . noun, Chemistry. 1. any of the class of thermoplastic resins derived by the polymerization or copolymerization of a polyvinylidene compound, used similarly to the polyvinyl resins.
[pol-ee-vahyn-l-pi-roh-li-dohn, -rol-i-] /ˌpɒl iˌvaɪn l pɪˈroʊ lɪˌdoʊn, -ˈrɒl ɪ-/ noun, Chemistry. 1. a white, amorphous, water-soluble powder, (C 6 H 9 NO) n , used chiefly as a vehicle in the manufacture of pharmaceuticals.
noun, Chemistry. 1. any of the class of thermoplastic resins derived by the polymerization or copolymerization of a vinyl compound: used chiefly as adhesives, sizing agents, and coatings. noun 1. any of a class of thermoplastic resins that are made by polymerizing or copolymerizing a vinyl compound. The commonest type is PVC