estrone

[ es-trohn ]
/ ˈɛs troʊn /

noun

Biochemistry. an estrogenic hormone, C18H22O2, produced by the ovarian follicles and found during pregnancy in urine and placental tissue.
Pharmacology. a commercial form of this compound, obtained from the urine of pregnant women or synthesized from ergosterol, used in the treatment of estrogen deficiency and certain menopausal and postmenopausal conditions.
Also estrin.

Origin of estrone

First recorded in 1930–35; estr(in) + -one

Words nearby estrone

estrin, estriol, estrogen, estrogen replacement therapy, estrogenic, estrone, estrous, estrous cycle, estrus, estuarine, estuary

British Dictionary definitions for estrone

estrone
/ (ˈɛstrəʊn, ˈiːstrəʊn) /

noun

the usual US spelling of oestrone

Medical definitions for estrone

estrone
[ ĕs′trōn′ ]

n.

A metabolite of estradiol, commonly found in urine, having considerably less biological activity than estradiol but similar properties and uses. theelin