Polystyrene — definition

1. polystyrene (Noun)

1 definition

polystyrene (Noun) — A polymer of styrene; a rigid transparent thermoplastic. ex. "expanded polystyrene looks like a rigid white foam and is used as packing or insulation"

4 types of
cinnamene phenylethylene styrene vinylbenzene
1 type
Styrofoam