ethinylestradiol
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English[edit]
Alternative forms[edit]
Etymology[edit]
Pronunciation[edit]
- (General American) IPA(key): /ɪˌθaɪ.nl̩ˌɛ.stɹəˈdaɪˌɔl/, /ˌɛθ.ɪ.nɪlˌɛ.stɹəˈdaɪˌɔl/
Noun[edit]
ethinylestradiol (uncountable)
- (pharmacology) A derivative of 17β-estradiol, the major endogenous estrogen in humans, used in oral contraceptives.
References[edit]
- “ethinyl estradiol”, in Merriam-Webster Online Dictionary, Springfield, Mass.: Merriam-Webster, 1996–present.