聚苯乙烯 Traditional form: 聚苯乙烯 Pinyin (reading): jùběnyǐxī Definitions: polystyrene Characters: 聚 - to assemble, to collect, to meet 苯 - benzene, benzol 乙 - second; 2nd heavenly stem 烯 - alkene Traditional characters: 聚 - to assemble, to collect, to meet 苯 - benzene, benzol 乙 - second; 2nd heavenly stem 烯 - alkene