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estriol

[es-tree-awl, -ol, -trahy-] /ˈɛs triˌɔl, -ˌɒl, -traɪ-/
noun
1.
Biochemistry. an estrogenic hormone, C 18 H 21 (OH) 3 , occurring in urine during pregnancy.
2.
Pharmacology. a commercial form of this compound, obtained from human placentas or the urine of pregnant women, used in conditions involving estrogen deficiency.
Origin
1930-1935
1930-35; es(trin) + tri- + -ol1
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for estriol
  • The other important but less powerful estrogens are estrone and estriol.
  • The other important, but less powerful, estrogens are estrone and estriol.
British Dictionary definitions for estriol

estriol

/ˈɛstrɪˌɒl; ˈiːstrɪ-/
noun
1.
the usual US spelling of oestriol

oestriol

/ˈiːstrɪˌɒl; ˈɛstrɪ-/
noun
1.
a weak oestrogenic hormone secreted by the mammalian ovary: a synthetic form is used to treat oestrogen deficiency. Formula: C18H24O3
Word Origin
C20: from oestrin + tri- + -ol1
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
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estriol in Medicine

estriol es·tri·ol (ěs'trī-ôl', -ōl', ě-strī'-)
n.
A metabolite of estradiol and usually the predominant estrogenic metabolite found in the urine of pregnant women. Also called theelol.

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