polyvinyl butyral


noun Chemistry.

a white, water-insoluble, polyvinyl acetal made with butyraldehyde, used chiefly as an interlayer in the manufacture of safety glass.

Nearby words

  1. polyvalent vaccine,
  2. polyvinyl,
  3. polyvinyl acetal,
  4. polyvinyl acetate,
  5. polyvinyl alcohol,
  6. polyvinyl chloride,
  7. polyvinyl formal,
  8. polyvinyl resin,
  9. polyvinylidene,
  10. polyvinylidene chloride

Origin of polyvinyl butyral

First recorded in 1940–45

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019