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
Images of the model tramping through the fields of Worthy Farm—polystyrene cup in one hand, cig in the other—have featured in just about every nostalgic listicle this magazine has ever published.
—
Daniel Rodgers, Glamour, 21 June 2024
The Farewell to Foam Act would eventually prohibit single-use polystyrene containers for three common applications: as foodware, loose fill for shipping — packing peanuts — and single-use coolers.
—Mike Savino, Hartford Courant, 29 Jan. 2024
The scientists learned that cleaning a polystyrene object with acetone—often used in nail polish remover—could turn the plastic from transparent to opaque and eventually dissolve it.
—Sarah Everts, Scientific American, 1 Apr. 2016
Brandon said the ban as proposed still targets the majority of uses of single-use polystyrene.
—Mike Savino, Hartford Courant, 29 Jan. 2024
See all Example Sentences for polystyrene 
Daniel Rodgers, Glamour, 21 June 2024
The Farewell to Foam Act would eventually prohibit single-use polystyrene containers for three common applications: as foodware, loose fill for shipping — packing peanuts — and single-use coolers.
—Mike Savino, Hartford Courant, 29 Jan. 2024
The scientists learned that cleaning a polystyrene object with acetone—often used in nail polish remover—could turn the plastic from transparent to opaque and eventually dissolve it.
—Sarah Everts, Scientific American, 1 Apr. 2016
Brandon said the ban as proposed still targets the majority of uses of single-use polystyrene.
—Mike Savino, Hartford Courant, 29 Jan. 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 7 Jul. 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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