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estradiol

[es-truh-dahy-awl, -ol] /ˌɛs trəˈdaɪ ɔl, -ɒl/
noun
1.
Biochemistry. an estrogenic hormone, C 18 H 24 O 2 , produced by the maturing Graafian follicle, that causes proliferation and thickening of the tissues and blood vessels of the endometrium.
2.
Pharmacology. a commercial form of this compound, obtained from the urine of pregnant humans and mares or synthesized, used in the treatment of estrogen deficiency and certain menopausal and postmenopausal conditions.
Origin of estradiol
1930-1935
1930-35; estra- (combining form representing estrin) + di-1 + -ol1
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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British Dictionary definitions for estradiol

estradiol

/ˌɛstrəˈdaɪɒl; ˌiːstrə-/
noun
1.
the US spelling of oestradiol
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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estradiol in Medicine

estradiol es·tra·di·ol (ěs'trə-dī'ôl', -ōl')
n.
The most potent naturally occurring estrogen.

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