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ethinyl estradiol

noun

Definition of ethinyl estradiol

  1. :  a very potent synthetic estrogen C20H24O2 used especially as an oral contraceptive



1939

First Known Use of ethinyl estradiol

1939


Medical Dictionary

ethinyl estradiol

noun

Medical Definition of ethinyl estradiol

  1. :  a white crystalline very potent synthetic estrogen C20H24O2 prepared from estrone and used in combination (as with norgestrel or norethindrone) as a birth control pill or alone in the treatment of menopausal symptoms or female hypogonadism or in the palliative treatment of prostate or breast cancer—see ortho evra, ortho-novum, ortho tri-cyclen



Variants of ethinyl estradiol

or ethy·nyl·es·tra·di·ol \ˌeth-ə-nil-ˌes-trə-ˈdī-ˌȯl, -ˌōl\play play or chiefly British ethi·nyl·oes·tra·di·ol or ethy·nyl·oes·tra·di·ol \ˌeth-ə-nil-ˌē-strə-ˈdī-ˌȯl, -ē-ˈstrad-ē-ˌȯl, -ˌōl\play play

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  1. Medical Dictionary: Definition of "ethinyl estradiol"


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