苯乙烯 Traditional form: 苯乙烯 Pinyin (reading): běnyǐxī Definitions: Styrene Characters: 苯 - benzene, benzol 乙 - second; 2nd heavenly stem 烯 - alkene Traditional characters: 苯 - benzene, benzol 乙 - second; 2nd heavenly stem 烯 - alkene