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polyacrylonitrile

[pol-ee-ak-ruh-loh-nahy-tril, -treel, -trahyl] /ˌpɒl iˌæk rə loʊˈnaɪ trɪl, -tril, -traɪl/
noun, Chemistry
1.
a polymer of acrylonitrile used in the manufacture of Orlon and other synthetic textiles.
Origin of polyacrylonitrile
1930-1935
1930-35; poly- + acrylonitrile
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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