Polystyrene (noun) Definition, Meaning & Examples

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noun Chemistry.
  1. a clear plastic or stiff foam, a polymer of styrene, used chiefly as an insulator in refrigerators and air conditioners.
noun
  1. a synthetic thermoplastic material obtained by polymerizing styrene; used as a white rigid foam (expanded polystyrene) for insulating and packing and as a glasslike material in light fittings and water tanks
    Polystyrene (noun) Definition, Meaning & Examples

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