polystyrene
noun
poly·sty·rene
ˌpä-lē-ˈstī-ˌrēn 
: a polymer of styrene
especially
: a rigid transparent thermoplastic that has good physical and electrical insulating properties and is used especially in molded products, foams, and sheet materials
Examples of polystyrene in a Sentence
Recent Examples on the Web
And another!) and dialogue that works like polystyrene stuffing, filling the cracks with Modi’s half-baked musings on the happy lives of pigeons or long quotes from Charles Baudelaire, poet and patron saint of dissipation.
—
Stephanie Bunbury, Deadline, 24 Sep. 2024
If the products are contaminated with other plastics, such as PVC or polystyrene, the outcome isn’t good.
—Tribune News Service, The Mercury News, 14 Sep. 2024
The blankets are made from extruded polystyrene, or XPS (a type of plastic), supplied by Finnish insulation manufacturer Finnfoam.
—Chris Baraniuk, WIRED, 3 Sep. 2024
The patriarch, Carl, runs a polystyrene empire (also known as styrofoam.
—Stephanie McNeal, Glamour, 2 Sep. 2024
See all Example Sentences for polystyrene 
Stephanie Bunbury, Deadline, 24 Sep. 2024
If the products are contaminated with other plastics, such as PVC or polystyrene, the outcome isn’t good.
—Tribune News Service, The Mercury News, 14 Sep. 2024
The blankets are made from extruded polystyrene, or XPS (a type of plastic), supplied by Finnish insulation manufacturer Finnfoam.
—Chris Baraniuk, WIRED, 3 Sep. 2024
The patriarch, Carl, runs a polystyrene empire (also known as styrofoam.
—Stephanie McNeal, Glamour, 2 Sep. 2024
See all Example Sentences for polystyrene
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'polystyrene.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
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Cite this Entry
“Polystyrene.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/polystyrene. Accessed 5 Oct. 2024.
Copy CitationKids Definition
polystyrene
noun
poly·sty·rene
ˌpäl-i-ˈstī(ə)r-ˌēn
: a stiff transparent plastic used chiefly in molded products, foams, and sheet materials
Medical Definition
polystyrene
noun
poly·sty·rene
ˌpäl-i-ˈstī(ə)r-ˌēn
: a polymer of styrene
especially
: a rigid transparent thermoplastic that has good physical and electrical insulating properties and is used especially in molded products, foams, and sheet materials
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