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Noun: polystyrene  `pó-lee'stI-reen
  1. A polymer of styrene; a rigid transparent thermoplastic
    "expanded polystyrene looks like a rigid white foam and is used as packing or insulation"

Derived forms: polystyrenes

Type of: cinnamene, phenylethylene, styrene, vinylbenzene

Encyclopedia: Polystyrene

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