perspex

 
Pronunciation: /ˈpəːspɛks/

noun

[mass noun] trademark
  • solid transparent plastic made of polymethyl methacrylate (the same material as plexiglas or lucite): the scratched perspex in the windows [as modifier]: a clear perspex plate

Origin:

1930s: formed irregularly from Latin perspicere 'look through', from per- 'through' + specere 'to look'