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.

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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
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

British Dictionary definitions for estrone

estrone
/ (ˈɛstrəʊn, ˈiːstrəʊn) /

noun

the usual US spelling of oestrone
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

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
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.