[mass noun](Chemistry)a volatile liquid hydrocarbon obtained by distilling wood, coal tar, or petroleum, and used in fuels and solvents, and in chemical synthesis (化)二甲苯;二甲苯和乙苯的混合溶剂
Alternative name: dimethylbenzene; chem. formula: C6H4(CH3)2; three isomers 又名: dimethylbenzene,化学分子式:C6H4(CH3)2;有3种同分异构体