[ noun ] a transparent thermoplastic acrylic resin <noun.substance>
Lucite \Lu"cite\ (l[=oo]"s[imac]t), prop. n. A brand name for a transparent plastic based on methyl methacrylate esters; the term is often used generically to refer to any similar transparent plastic. It is sold in various forms, including rigid sheets which may be used as a substitute for glass in windows. [Trademark] [PJC]