Lucite 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)
... replied. "In fact, he told me, in so many words, that he would be most happy if you sent him his nephew's head in a block of lucite. What Dunnan did touched his honor, too. Sovereign princes never see any humor in things ... — Space Viking • Henry Beam Piper
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