plexiglass

Noun

1. polymethyl methacrylate (polymer of methyl methacrylate), a tough transparent plastic used sometimes in lieu of glass.
   • The wall and door of the compartment on the corridor side are of plexiglass, fully curtained on the inside. - 1960 March, G. Freeman Allen, “Europe's most luxurious express - the "Settebello"”, in Trains Illustrated,...
   • A new concept car from Honda — a hydrogen-powered vehicle — sat inside the walls of a just-completed plexiglass tent at the corner of Seventh and Main Streets in the heart of downtown Park City, promoting the green...