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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.
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Word History and Origins
Origin of polyvinyl acetal1
First recorded in 1930–35
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