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polyacrylonitrile

[pol-ee-ak-ruh-loh-nahy-tril, -treel, -trahyl]
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noun Chemistry.
  1. a polymer of acrylonitrile used in the manufacture of Orlon and other synthetic textiles.
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Origin of polyacrylonitrile

First recorded in 1930–35; poly- + acrylonitrile
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018