英和和英

語源

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

発音

• (Received Pronunciation) IPA: /ˈmɛθ.əd.əʊn/
• (General American) IPA: /ˈmɛθ.əˌdoʊn/

名詞

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.

参照

• “methadone”, in Lexico, Dictionary.com; Oxford University Press, 2019–2022.
• “methadone”, in Merriam-Webster Online Dictionary, Springfield, Mass.: Merriam-Webster, 1996–present.