[es-tree-awl, -ol, -trahy-]
- Biochemistry. an estrogenic hormone, C18H21(OH)3, occurring in urine during pregnancy.
- Pharmacology. a commercial form of this compound, obtained from human placentas or the urine of pregnant women, used in conditions involving estrogen deficiency.
Origin of estriol
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- the usual US spelling of oestriol
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
[ĕs′trī-ôl′, -ōl′, ĕ-strī′-]
- A metabolite of estradiol and usually the predominant estrogenic metabolite found in the urine of pregnant women.theelol
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.