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Meaning of polyacrylic acid

pol'y•a•cryl'ic ac'id

Pronunciation: (pol'ē-u-kril'ik, pol"-), [key]
— Chem. Chem.
  1. a polymer of acrylic acid used as a sizing agent in the manufacture of nylon and other synthetic textiles.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.