polymethyl methacrylate

1. A transparent plastic used as a substitute for glass (synset 114618054)
   is a type of: acrylate resin, acrylic, acrylic resin - a glassy thermoplastic; can be cast and molded or used in coatings and adhesives
   subtypes:

   • lucite, perspex - a transparent thermoplastic acrylic resin
   • plexiglas, plexiglass - a light transparent weather resistant thermoplastic

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