01 n. a thermoplastic made by polymerization of acrylic acid or methacrylic acid or some derivative of these (such as the esters or amides). It …
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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.(Chem.)