diphenhydramine

名词 n.
中文释义
英 /ˌdʌɪ.fɛnˈhʌɪ.dɹəm.iːn/    美 /ˌdaɪˌfɛnˈhaɪ.dɹəˌmiːn/

英文释义

名词 n.
  1. An antihistamine and anticholinergic drug that blocks the effect of histamine at H₁ receptor sites, relieving allergy symptoms. It also reduces smooth muscle contraction, increases heart rate, and sedates the user by blocking muscarinic acetylcholine receptors (mAChRs). countable,uncountable
    — Diphenhydramine is a convenient and cheap antihistamine for use, but there are other drugs that do not make the user tired.

词形变化

diphenhydramines 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 *bʰeh₂-der.
Proto-Hellenic *pʰáňňō
Ancient Greek φαίνω (phaínō)der.
French phéno-
Proto-Indo-European *swel-der.?
Ancient Greek ῡ̔́λη (hū́lē)der.
French -yle
French phénylebor.
English phenyl
English diphen(yl)
English (benz)hydr(yl)
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
English -amine
English diphenhydramine
From diphen(yl) + (benz)hydr(yl) + -amine.
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