synthetic heroin

1. A potent synthetic narcotic drug, C21H27NO, that is less addictive than morphine or heroin and is used as a substitute for these drugs in addiction treatment programs.
   一种有效的合成麻醉药，C21H27NO不象吗啡或海洛因那样容易让人上瘾，在戒毒治疗中被用作这些毒药的替代品。
2. A synthetic narcotic drug similar to morphine but less habit-forming; used in treating heroin addiction.
   类似于吗啡但是很少惯性的合成麻醉剂；用来治疗海洛因上瘾。

noun

1. synthetic narcotic drug similar to morphine but less habit-forming

   Synonym:    methadonemethadone hydrochloridemethadondolophine hydrochloridefixer