ethinylestradiol
A derivative of 17β-estradiol, the major endogenous estrogen in humans, used in oral…A derivative of 17β-estradiol, the major endogenous estrogen in humans, used in oral contraceptives.
US/ɪˌθaɪ.nl̩ˌɛ.stɹəˈdaɪˌɔl/
Meaning
1 senses(uncountable)A derivative of 17β-estradiol, the major endogenous estrogen in humans, used in oral contraceptives.
Origin
From ethinyl + estradiol.From ethinyl + estradiol.
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Lessons for this word
1 lessons- A1Countable and uncountable nouns — Because it can be uncountable