聚苯乙烯 jùběnyǐxī polystyrene Origin Definitions Defs Strokes Stroke Words Sentences Sents 聚 jù poly- (bound form) used in chemistry to indicate a polymer苯乙烯 běnyǐxī styrene Organic compound that is a colorless, oily liquid; used primarily in the production of plastics, resins, and synthetic rubber