estriol

American

[es-tree-awl, -ol, -trahy-] / ˈɛs triˌɔl, -ˌɒl, -traɪ- /

noun

Biochemistry. an estrogenic hormone, C 18 H 21 (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.

estriol British

/ ˈiːstrɪ-, ˈɛstrɪˌɒl /

noun

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

Etymology

Origin of estriol

First recorded in 1930–35; es(trin) + tri- + -ol ¹

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The pregnancy hormones are estradiol, estriol and progesterone, which give many benefits.

From The Guardian

As women age, the key hormones their bodies naturally produce — estrogen, which is a group of hormones that includes estriol, estradiol and estrone, as well as progesterone and testosterone — may fluctuate or decline.

From Washington Post

These oils are even more effective when combined with small amounts of pharmacy-compounded estriol and testosterone, she said.

From New York Times

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023