a drug that is used to treat people who are trying to stop taking the illegal drug heroin Topics Social issuesc2美沙酮,美散痛(用于戒除海洛因毒瘾) Oxford Collocations DictionaryMethadone is used before these nouns:- clinic
Word Origin1940s: from its chemical name, (6-di)meth(yl)a(mino-4,4-)d(iphenyl-3-heptan)one.