Definition from Wiktionary, the free dictionary
- polymethyl methacrylate (polymer of methyl methacrylate), a tough transparent plastic used sometimes in lieu of glass.
2009 January 17, Michael Cieply, “The Films Are Green, but Is Sundance?”:
- 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 pleasures of its energy conservation.
common language term for polymethyl methacrylate
plexiglass m (invariable)