pol·y·sty·rene (p l  -st  rn)n. A rigid clear thermoplastic polymer that can be molded into objects or made into a foam that is used to insulate refrigerators. pol y·styrene adj. |
polystyrene
Noun
a synthetic material used esp. as white rigid foam for insulating and packing
| polystyrene (pl-strn) A brittle synthetic polymer composed of repeated styrene units. Polystyrene is transparent and rigid because the benzene rings in each styrene unit prevent the polystyrene chains from arranging themselves into a tight crystalline structure. Polystyrene has a wide variety of uses, especially as a solid foam for insulation and packaging. |
ThesaurusLegend: Synonyms Related Words Antonyms
| Noun | 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"cinnamene, phenylethylene, styrene, vinylbenzene - a colorless oily liquid; the monomer for polystyrene Styrofoam - a light resilient foam of polystyrene |
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