estradiol

[ es-truh-dahy-awl, -ol ]

noun

1. Biochemistry. an estrogenic hormone, C 18 H 24 O 2 , produced by the maturing Graafian follicle, that causes proliferation and thickening of the tissues and blood vessels of the endometrium.
2. Pharmacology. a commercial form of this compound, obtained from the urine of pregnant humans and mares or synthesized, used in the treatment of estrogen deficiency and certain menopausal and postmenopausal conditions.

estradiol

/ ˌɛstrəˈdaɪɒl; ˌiːstrə- /

noun

1. See oestradiol
   the US spelling of oestradiol

Word History and Origins

Origin of estradiol¹

1930–35; estra- (combining form representing estrin ) + di- ¹ + -ol ¹

Example Sentences

When they get older, some adolescents may begin taking gender-affirming hormones, such as testosterone or estradiol.

From TIme

In women, there did seem to be a link between low levels of testosterone and estradiol and low bone mineral density.

From Outside Online