Definition of Plexiglas in English:

Plexiglas

noun

North American
trademark
  • [mass noun] A solid transparent plastic made of polymethyl methacrylate (the same material as Perspex or Lucite):

    ‘panels of light-filtering Plexiglas’
    [as modifier] ‘the smart Plexiglas cases of the contemporary art museum’
    • ‘The door to the small plexiglas room was opened.’
    • ‘The abstract plexiglas etchings are composed of straight-edged shapes.’
    • ‘Although resembling a stone structure from the outside, from the interior the pyramid is seen to be constructed of translucent plexiglas panels over a wood framework.’
    • ‘Investigators have analyzed videos of vampire bats charging down plexiglas runways, and learned that they have evolved a novel running gait.’
    • ‘Special earplugs, plexiglas screens, and alternate seating arrangements are among the possible solutions.’

Origin

1930s: from Greek plēxis percussion + glass.

Pronunciation:

Plexiglas

/ˈplɛksɪɡlɑːs/