estriol

[es-tree-awl, -ol, -trahy-]

es·tri·ol

[es-tree-awl, -ol, -trahy-]
noun
1.
Biochemistry. an estrogenic hormone, C18H21(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:
1930–35; es(trin) + tri- + -ol1
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Estriol is always a great word to know.
So is selenium. Does it mean:
Symbol: B; atomic weight: 10.811; atomic number: 5
Symbol: Se; atomic weight: 78.96; atomic number: 34
Collins
World English Dictionary
oestriol or (US) estriol (ˈiːstrɪˌɒl, ˈɛstrɪ-)
 
n
a weak oestrogenic hormone secreted by the mammalian ovary: a synthetic form is used to treat oestrogen deficiency. Formula: C18H24O3
 
[C20: from oestrin + tri- + -ol1]
 
estriol or (US) estriol
 
n
 
[C20: from oestrin + tri- + -ol1]

estriol (ˈɛstrɪˌɒl, ˈiːstrɪ-)
 
n
the usual US spelling of oestriol

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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American Heritage
Medical Dictionary

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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