Dictionary

polystyrene

noun poly·sty·rene \ˌpä-lē-ˈstī-ˌrēn\

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

First Known Use of POLYSTYRENE

1927
Medical Dictionary

polystyrene

noun poly·sty·rene \ˌpäl-i-ˈstī(ə)r-ˌēn\

Medical 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

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