n. 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. It may also be used for chronic pain management. [Short for methadone hydrochloride : (DI)METH(YL) + A(MINO) + D(IPHENYL) + (heptan)one, a ketone (HEPTAN(E) + -ONE).] |
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