methadone

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See also: méthadone

English

Chemical structure of methadone
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Wikipedia

Etymology

From (di)meth(yl)a(mino) +‎ d(iphenyl) +‎ (heptan)one.

Pronunciation

Noun

methadone (countable and uncountable, plural methadones)

  1. (pharmacology) A powerful synthetic analgesic drug which is similar to morphine in its effects but less sedative and is used as a substitute drug in the treatment of morphine and heroin addiction.
    Synonym: amidone
    • 1971 March 19, Richard Severo, “Addiction: Chemistry Is the New Hope, but Degree of Its Effectiveness Is Still Disputed”, in The New York Times:
      But methadone is a dangerous drug. If taken orally by a nonaddict, it can cause euphoria or even death.

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