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单词 ethinyloestradiol
释义

ethinyloestradiol

/ˌɛθɪnɪlˌiːstrəˈdʌɪɒl/ /ˌɛθɪnɪlˌɛstrəˈdʌɪɒl/
(also ethinylestradiol, ethynylestradiol, ethynyloestradiol) Pharmacology
noun
A synthetic oestrogen used in oral contraceptives.
  • Chemical name: 17-ethynylestradiol; C20H24O2..

Origin

1930s; earliest use found in The British Medical Journal. From ethinyl, variant of ethynyl + oestradiol, after German Aethinyl-oestradiol.

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更新时间:2025/1/24 8:46:07