polystyrene


poly·sty·rene

noun \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

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