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单词 methadon
释义

WordReference Random House Learner's Dictionary of American English © 2024
meth•a•done /ˈmɛθəˌdoʊn/USA pronunciation  also meth•a•don /ˈmɛθəˌdɑn/USA pronunciation   n. [uncountable]
  1. Drugsan artificially produced narcotic similar to morphine but taken orally:Methadone is used as a heroin substitute.

WordReference Random House Unabridged Dictionary of American English © 2024
meth•a•done  (methə dōn′),USA pronunciation n. [Pharm.]
  1. Drugsa synthetic narcotic, C21H28ClNO, similar to morphine but effective orally, used in the relief of pain and as a heroin substitute in the treatment of heroin addiction.
Also, meth•a•don (methə don′).USA pronunciation 
  • meth(yl) + a(mino) + d(iphenyl) + (heptan)one 1945–50, American.

Collins Concise English Dictionary © HarperCollins Publishers::
methadone /ˈmɛθəˌdəʊn/, methadon /ˈmɛθəˌdɒn/ n
  1. a narcotic analgesic drug similar to morphine, used to treat opiate addiction. Formula: C21H27NO
Etymology: 20th Century: from (di)meth(yl) + a( mino) + d( iphenyl) + -one
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更新时间:2024/11/11 6:14:51