- any of the group of synthetic textile fibers, as Orlon, made by the polymerization of acrylonitrile as the principal component with one or more other monomers.
Origin of acrylic fiber
First recorded in 1950–55
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- Any of numerous synthetic fibers polymerized from acrylonitrile.
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