from The American Heritage® Dictionary of the English Language, 4th Edition
- n. Any of numerous thermoplastic or thermosetting polymers or copolymers of acrylic acid, methacrylic acid, esters of these acids, or acrylonitrile, used to produce paints, synthetic rubbers, and lightweight plastics.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. Any of many thermoplastic or thermosetting polymers or copolymers of acrylic acid, methacrylic acid, esters of these acids, or acrylonitrile; used in paint and many plastics.
from the GNU version of the Collaborative International Dictionary of English
- n. a thermoplastic made by polymerization of acrylic acid or methacrylic acid or some derivative of these (such as the esters or amides). It can be formed into a clear hard plastic, and is the basis for the commercial plastics called Lucite and Plexiglass.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a glassy thermoplastic; can be cast and molded or used in coatings and adhesives
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