We found 3 definitions of polystyrenes from 2 different sources.
NounPlural: polystyrenes |
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polystyrene - a polymer of styrene; a rigid transparent thermoplastic; "expanded polystyrene looks like a rigid white foam and is used as packing or insulation" | ||
cinnamene, phenylethylene, styrene, vinylbenzene a colorless oily liquid; the monomer for polystyrene |