释义 |
metha·done \ˈmethəˌdōn\ noun also metha·don \-ˌdän\ (-s) Etymology: dimethylamino- + diphenyl (I) + heptanone : a narcotic drug C2H5COC(C6H5)2CH2CH(CH3)N(CH3)2 administered usually in the form of its bitter crystalline hydrochloride for the relief of pain; 6-dimethylamino-4,4-diphenyl-3-heptanone; also : the hydrochloride or other salt of this compound |