plexiglas
/ˈpleksɪglɑːs/(亦作Plexiglas)
noun
mass noun
- trademark, chiefly N. Amer. a solid transparent plastic made of polymethyl methacrylate (the same material as perspex or lucite)〈商标, 主北美〉普列克斯玻璃（一种用聚甲基丙烯酸甲酯［与珀斯佩有机玻璃或人造荧光树脂相同的材料］制成的固态透明塑料）。
词源
1930s: from Greek plēxis 'percussion' + GLASS.