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
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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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