Chlorinated hydrocarbon A hydrocarbon in which one or more hydrogen atoms are replaced by chlorine atoms. Some chlorinated hydrocarbons are used as insecticides, e.g. aldrin, dieldrin, and DDT.

• 氯代烃类：烃中一个或多个氢原子被氯原子取代。一些氯代烃类被用来作杀虫剂。如艾氏剂、狄氏剂和DDT。