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

  1. polyvalent,
  2. polyvalent allergy,
  3. polyvalent serum,
  4. polyvalent vaccine,
  5. polyvinyl,
  6. polyvinyl acetate,
  7. polyvinyl alcohol,
  8. polyvinyl butyral,
  9. polyvinyl chloride,
  10. 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