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polystyrene
[ pol-ee-stahy-reen, -steer-een ]
noun
- a clear plastic or stiff foam, a polymer of styrene, used chiefly as an insulator in refrigerators and air conditioners.
polystyrene
/ ˌɒɪˈٲɪː /
noun
- a synthetic thermoplastic material obtained by polymerizing styrene; used as a white rigid foam ( expanded polystyrene ) for insulating and packing and as a glasslike material in light fittings and water tanks
polystyrene
/ ŏ′ē-ī′ŧ /
- 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.
51Թ History and Origins
Origin of polystyrene1
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Example Sentences
Soil analysis in November 2023 found the land contained asbestos, plastic, polystyrene and asphalt.
SB54 put an end to polystyrene — which had low recycling rates and high levels of pollution — in California.
In the meantime, some polystyrene manufacturers and distributors are already getting rid of the plastic in anticipation of the law coming into effect.
The study found higher levels of toxic flame retardants in polystyrene plastic, which is labeled with the number 6, said Liu.
For instance, black foam and black coffee lids, which are often made of polystyrene, usually end up in landfills because color additives lead to ineffective sorting.
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