二甲苯 èrjiǎběn xylene Origin Definitions Defs Strokes Stroke Words Sentences Sents 二 èr numeral two the number two; 2甲苯 jiǎběn toluene toluene; methylbenzene; a colorless, flammable, and volatile liquid organic compound used as a solvent and in the production of explosives, dyes, and resins