ethinyl estradiol(redirected from Ethinylestradiol)
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Related to Ethinylestradiol: Drospirenone, desogestrel, levonorgestrel, Cyproterone acetate, Gestodene
the radical HC≡C—, derived from acetylene.
ethinyl estradiol an estrogen derived from estradiol, used together with a progestational agent as a component of many oral contraceptives, in hormone replacement therapy, and as an antineoplastic in the treatment of advanced breast and prostate cancers; administered orally.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.
a semisynthetic derivative of 17β-estradiol; active by mouth, with a long half-life, it is among the most potent of known estrogenic compounds; used in oral contraceptive preparations.
Synonym(s): ethinyl estradiol
Farlex Partner Medical Dictionary © Farlex 2012
A synthetic estrogen derivative, C20H24O2, used in oral and other contraceptive preparations and in hormone replacement therapy, usually in combination with a progestin.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.
A semi-synthetic derivative of estradiol—an estrogen or female sex hormone—used in birth control pills and combined ECPs.
Mentioned in: Emergency Contraception
Gale Encyclopedia of Medicine. Copyright 2008 The Gale Group, Inc. All rights reserved.