methadone

名词 n.
中文释义
英 /ˈmɛθ.əd.əʊn/    美 /ˈmɛθ.əˌdoʊn/

英文释义

名词 n.
  1. 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. countable,uncountable
    — But methadone is a dangerous drug. If taken orally by a nonaddict, it can cause euphoria or even death.

词形变化

methadones plural

词源

Etymology tree
Proto-Indo-European *dwóh₁
Proto-Indo-European *dwi-
Proto-Hellenic *dwi-
Ancient Greek δῐ- (dĭ-)bor.
Latin di-bor.
English di-
Proto-Indo-European *médʰu
Proto-Hellenic *métʰu
Ancient Greek μέθυ (méthu)
Proto-Indo-European *swel-der.?
Ancient Greek ῡ̔́λη (hū́lē)der.
German -yl
German Methylbor.
English methyl
English dimethyl
Egyptian jmnbor.
Ancient Greek Ᾰ̓́μμων (Ắmmōn)bor.
Latin Ammōn
Latin ammoniacusder.
English ammonia
Proto-Indo-European *-nós
Proto-Indo-European *-iHnos
Proto-Italic *-īnos
Latin -īnusder.
Old French -inbor.
Middle English -in
English -ine
English amine
Ancient Greek -ο- (-o-)der.
Latin -o-bor.
English -o-
English amino-
English amino
English (di)meth(yl)a(mino)
▲
English di-
Proto-Indo-European *bʰeh₂-der.
Proto-Hellenic *pʰáňňō
Ancient Greek φαίνω (phaínō)der.
French phéno-
▲
Ancient Greek ῡ̔́λη (hū́lē)der.
French -yle
French phénylebor.
English phenyl
English d(iphenyl)
English (heptan)one
English methadone
From (di)meth(yl)a(mino) + d(iphenyl) + (heptan)one.
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