meth·a·done (m th  -d n )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).] |
methadone [ˈmɛθəˌdəʊn], methadon [ˈmɛθəˌdɒn]
n
(Medicine / Pharmacology) a narcotic analgesic drug similar to morphine, used to treat opiate addiction. Formula: C21H27NO
[from (di)meth(yl) + a(mino) + d(iphenyl) + -one]
ThesaurusLegend: Synonyms Related Words Antonyms
| Noun | 1. |  methadone - synthetic narcotic drug similar to morphine but less habit-forming; used in narcotic detoxification and maintenance of heroin addictionnarcotic - a drug that produces numbness or stupor; often taken for pleasure or to reduce pain; extensive use can lead to addiction |
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