polyacrylonitrile: Meaning and Definition of

pol•y•ac•ry•lo•ni•trile

Pronunciation: (pol"ē-ak"ru-lō-nī'tril, -trēl, -trīl), [key]
— n. Chem.
  1. a polymer of acrylonitrile used in the manufacture of Orlon and other synthetic textiles.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.