polyvinyl acetal
noun Chemistry.
any of the class of thermoplastic resins derived by the condensation of an aldehyde with polyvinyl alcohol.
the slightly yellow, water-insoluble resin produced from partially hydrolyzed polyvinyl acetate and formaldehyde: used chiefly in the manufacture of lacquers, photographic film, and adhesives.
Nearby words
- polyvalent,
- polyvalent allergy,
- polyvalent serum,
- polyvalent vaccine,
- polyvinyl,
- polyvinyl acetate,
- polyvinyl alcohol,
- polyvinyl butyral,
- polyvinyl chloride,
- polyvinyl formal
Origin of polyvinyl acetal
First recorded in 1930–35
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019