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polystyrene, n.
(polystyrenes)
more info a polymer of styrene; a rigid transparent thermoplastic
<noun.substance>

polystyrene

sample sentences

"expanded polystyrene looks like a rigid white foam and is used as packing or insulation"
semantic pointers
hypernym
styrene, cinnamene, phenylethylene, vinylbenzene
hyponym
Styrofoam