Definition of polystyrene
: 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
From the M-W Editors
Recent Examples of polystyrene from the Web
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Published in Advanced Energy Materials, their paper shows how ingredients from polystyrene, the stuff of Styrofoam, and rubber can be combined to create a stretchable material capable of acting as a battery.
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Around 1949, Simmons settled on a polystyrene core with a mahogany veneer.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'polystyrene'. Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
First Known Use of polystyrene
1927
Medical Dictionary
polystyrene
playMedical Definition of polystyrene
: 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
Learn More about polystyrene
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Nglish: Translation of polystyrene for Spanish speakers Britannica.com: Encyclopedia article about polystyrene
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