ethinyloestradiolethinylestradioln.

Brit.

/ˌɛθɪnɪlˌiːstrəˈdʌɪɒl/,

/ˌɛθɪnɪlˌɛstrəˈdʌɪɒl/, U.S.

/ˌɛθənəlˌɛstrəˈdaɪˌɔl/,

/ˌɛθənəlˌɛstrəˈdaɪˌɑl/

Forms: 1900s– ethinylestradiol (U.S.), 1900s– ethinyloestradiol, 1900s– ethynylestradiol (U.S.), 1900s– ethynyloestradiol.

Origin: Formed within English, by compounding; modelled on a German lexical item. Etymons: English ethinyl , ethynyl n., oestradiol n.

Etymology: < ethinyl, variant of ethynyl n. + oestradiol n., after German Aethinyl-oestradiol (H. H. Inhoffen & W. Hohlweg 1938, in Naturwissenschaften 26 96/1).

Pharmacology.

A synthetic oestrogen used in oral contraceptives.Chemical name: 17-ethynylestradiol; C₂₀H₂₄O₂.

ΚΠ

1938 Brit. Med. Jrnl. 13 Aug. 361/2 Oestriol, oestrone, oestradiol, ethinyl oestradiol, and other derivatives had been administered to rats by the subcutaneous and oral routes.

1964 L. C. Martin Clin. Endocrinol. (ed. 4) viii. 253 Norethisterone given with ethinylœstradiol to maintain the endometrium.

1974 Nature 13 Dec. 585/2 We have induced reversible infertility..in five healthy young men by giving them tablets containing methyltestosterone and ethynyloestradiol.

2003 Prospect Sept. 14/1 Like other versions of the pill, Seasonale contains levonorgestrel and ethinyl estradiol, synthetic versions of progesterone and oestrogen.

This entry has been updated (OED Third Edition, March 2014; most recently modified version published online March 2022).

单词	ethinyloestradiol
释义	ethinyloestradiolethinylestradioln. Brit. /ˌɛθɪnɪlˌiːstrəˈdʌɪɒl/, /ˌɛθɪnɪlˌɛstrəˈdʌɪɒl/, U.S. /ˌɛθənəlˌɛstrəˈdaɪˌɔl/, /ˌɛθənəlˌɛstrəˈdaɪˌɑl/ Forms: 1900s– ethinylestradiol (U.S.), 1900s– ethinyloestradiol, 1900s– ethynylestradiol (U.S.), 1900s– ethynyloestradiol. Origin: Formed within English, by compounding; modelled on a German lexical item. Etymons: English ethinyl , ethynyl n., oestradiol n. Etymology: < ethinyl, variant of ethynyl n. + oestradiol n., after German Aethinyl-oestradiol (H. H. Inhoffen & W. Hohlweg 1938, in Naturwissenschaften 26 96/1). Pharmacology. A synthetic oestrogen used in oral contraceptives.Chemical name: 17-ethynylestradiol; C₂₀H₂₄O₂. ΚΠ 1938 Brit. Med. Jrnl. 13 Aug. 361/2 Oestriol, oestrone, oestradiol, ethinyl oestradiol, and other derivatives had been administered to rats by the subcutaneous and oral routes. 1964 L. C. Martin Clin. Endocrinol. (ed. 4) viii. 253 Norethisterone given with ethinylœstradiol to maintain the endometrium. 1974 Nature 13 Dec. 585/2 We have induced reversible infertility..in five healthy young men by giving them tablets containing methyltestosterone and ethynyloestradiol. 2003 Prospect Sept. 14/1 Like other versions of the pill, Seasonale contains levonorgestrel and ethinyl estradiol, synthetic versions of progesterone and oestrogen. This entry has been updated (OED Third Edition, March 2014; most recently modified version published online March 2022). < n.1938
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