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polyvinyl alcohol

noun, Chemistry
a colorless, water-soluble, thermoplastic resin, derived by the hydrolysis of polyvinyl acetate: used chiefly as an adhesive and as a sizing agent in the manufacture of textiles, paper, and plastics.
Origin of polyvinyl alcohol
1925-30 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for polyvinyl alcohol
  • The gel is made by mixing powdered polyvinyl alcohol with acid in a mold.
  • polyvinyl alcohol is actually made from polyvinyl acetate, by cleaving the acetate ester.

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