diethylstilbestrol

or di·eth·yl·stil·boes·trol

[ dahy-eth-uhl-stil-bes-trawl, -trol ]
/ daɪˌɛθ əl stɪlˈbɛs trɔl, -trɒl /

noun Pharmacology.

a nonsteroidal synthetic estrogen, C18H20O2, used in medicine chiefly in the treatment of menopausal symptoms and for chemical castration: formerly used during pregnancy for the prevention of miscarriage but discontinued owing to its association with an increased risk of vaginal and cervical cancers. Abbreviation: DES

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Also stil·bes·trol, stil·boes·trol [stil-bes-trawl] /stɪlˈbɛs trɔl/ .

Origin of diethylstilbestrol

First recorded in 1935–40; di-1 + ethyl + stilbestrol, equivalent to stilb(ene), estr(us), -ol1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

British Dictionary definitions for diethylstilbestrol

diethylstilbestrol

diethylstilboestrol

/ (daɪˌɛθɪlstɪlˈbɛstrɒl, -ˌiːθaɪl-) /

noun

a synthetic hormone with oestrogenic properties, used to relieve menopausal symptoms. Formula: OHC 6 H 4 CH:CHC 6 H 4 OHAlso 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

Medical definitions for diethylstilbestrol

diethylstilbestrol
[ dī-ĕth′əl-stĭl-bēstrôl, -trōl ]

n.

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

Scientific definitions for diethylstilbestrol

diethylstilbestrol
[ dī-ĕth′əl-stĭl-bĕstrôl′, -trōl′ ]

See DES.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.