pseudoephedrine
名词 n.
英 /sjuː.dəʊˈɛf.ə.dɹiːn/
美 /su.doʊ.ɪˈfɛ.dɹɪn/
英文释义
名词 n.
- A sympathomimetic alkaloid commonly used as a decongestant; a chemical compound, an isomer of ephedrine, with the formula C₁₀H₁₅NO.
词形变化
词源
Etymology tree
Ancient Greek ψεύδω (pseúdō)
Proto-Indo-European *-os
Proto-Indo-European *-ēs
Ancient Greek -ης (-ēs)
Ancient Greek -ής (-ḗs)
Ancient Greek ψευδής (pseudḗs)der.
Middle English pseudo-
English pseudo-
English ephedra
Proto-Indo-European *-nós
Proto-Indo-European *-iHnos
Proto-Italic *-īnos
Latin -īnusder.
Old French -inbor.
Middle English -in
English -ine
English ephedrine
English pseudoephedrine
From pseudo- + ephedrine.
Ancient Greek ψεύδω (pseúdō)
Proto-Indo-European *-os
Proto-Indo-European *-ēs
Ancient Greek -ης (-ēs)
Ancient Greek -ής (-ḗs)
Ancient Greek ψευδής (pseudḗs)der.
Middle English pseudo-
English pseudo-
English ephedra
Proto-Indo-European *-nós
Proto-Indo-European *-iHnos
Proto-Italic *-īnos
Latin -īnusder.
Old French -inbor.
Middle English -in
English -ine
English ephedrine
English pseudoephedrine
From pseudo- + ephedrine.
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数据来源: Wiktionary