also ethynyl noun Etymology: ethine ethyne + -yl Date: 1929 a monovalent unsaturated radical HC≡C– derived from acetylene by removal of one hydrogen atom

New Collegiate Dictionary. 2001.

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  • ethinyl estradiol — or ethy·nyl·es·tra·di·ol .eth ə nil .es trə dī .ȯl, .ōl or chiefly Brit ethi·nyl·oes·tra·di·ol or ethy·nyl·oes·tra·di·ol .eth ə nil .ē strə dī .ȯl, ē strad ē .ȯl, .ōl n a white crystalline very potent synthetic estrogen C20H24O2 prepared from… …   Medical dictionary

  • éthinylœstradiol — ● éthinylœstradiol nom masculin Œstrogène de synthèse à action puissante et prolongée …   Encyclopédie Universelle

  • ethinyl — SYN: ethynyl. e. trichloride SYN: trichloroethylene. * * * ethi·nyl also ethy·nyl e thīn əl, eth ə .nil n a monovalent unsaturated radical HC=C derived from acetylene by removal of one hydrogen atom * * * eth·i·nyl (ethґĭ nəl) the… …   Medical dictionary

  • Ethinyl- — E|thi|nyl [Ethin u. ↑ yl ] veraltetes Syn.: Acetylenyl : Präfix für die Atomgruppierung HCᆖC in systematischen Namen von org. Verb., z. B. ↑ Ethinylestradiol …   Universal-Lexikon

  • ethinyl — variant of ethynyl …   Useful english dictionary

  • ethinyl estradiol — noun Date: 1939 a very potent synthetic estrogen C20H24O2 used especially as an oral contraceptive …   New Collegiate Dictionary

  • ethinyl estradiol — noun or ethynylestradiol : a white crystalline potent orally effective estrogen C20H24O2 prepared from estrone …   Useful english dictionary

  • ethinylœstradiol — …   Useful english dictionary

  • Oral contraceptive formulations — Oral contraceptives come in a variety of formulations. The main division is between combined oral contraceptive pills, containing both estrogen and synthetic progestogens (strictly progestins, the term used in the United States, but the former… …   Wikipedia

  • Contraceptive patch — Evra patch redirects here. For the brand of patch containing estradiol only, see Evorel patch. Contraceptive patch Ortho Evra brand of contraceptive patch Background Birth control type Hormonal (c …   Wikipedia

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