ethinylestradiol
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.