What is "methadon"

methadon \methadon\, methadone \methadone\n. a narcotic drug similar to morphine but less habit-forming; used in treating heroin addiction.

Syn: methadone hydrochloride.

n. synthetic narcotic drug similar to morphine but less habit-forming; used in narcotic detoxification and maintenance of heroin addiction [syn: methadone, methadone hydrochloride, dolophine hydrochloride, fixer, synthetic heroin]