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diethylstilbestrol

[dahy-eth-uh l-stil-bes-trawl, -trol] /daɪˌɛθ əl stɪlˈbɛs trɔl, -trɒl/
noun, Pharmacology
1.
a nonsteroidal synthetic estrogen, C 18 H 20 O 2 , used in medicine chiefly in the treatment of menopausal symptoms and in animal feeds for chemical caponization: formerly used during pregnancy for the prevention of miscarriage but discontinued owing to its association with an increased risk of vaginal and cervical cancers in women having had fetal exposure.
Abbreviation: DES.
Also, diethylstilboestrol.
Origin
1935-1940
1935-40; di-1 + ethyl + stilbestrol
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for diethylstilbestrol

diethylstilbestrol

/daɪˌɛθɪlstɪlˈbɛstrɒl; -ˌiːθaɪl-/
noun
1.
a synthetic hormone with oestrogenic properties, used to relieve menopausal symptoms. Formula: OHC6H4CH:CHC6H4OH Also called stilbestrol, stilboestrol
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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diethylstilbestrol in Medicine

diethylstilbestrol di·eth·yl·stil·bes·trol (dī-ěth'əl-stĭl-bēs'trôl, -trōl)
n.
DES.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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diethylstilbestrol in Science
diethylstilbestrol
  (dī-ěth'əl-stĭl-běs'trôl', -trōl')   
See DES.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Encyclopedia Article for diethylstilbestrol

DES

nonsteroidal synthethic estrogen used as a drug and formerly used to promote growth of livestock. Unlike natural estrogens, DES remains active following oral administration. It is also administered as vaginal suppositories and by injection. DES breaks down more slowly in the body than do the natural estrogens.

Learn more about DES with a free trial on Britannica.com
Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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