Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun polystyrene

1 sense of polystyrene

Sense 1
polystyrene -- (a polymer of styrene; a rigid transparent thermoplastic; "expanded polystyrene looks like a rigid white foam and is used as packing or insulation")
       => styrene, cinnamene, phenylethylene, vinylbenzene -- (a colorless oily liquid; the monomer for polystyrene)