diethylstilbestrol

or di·eth·yl·stil·boes·trol

[ dahy-eth-uh l-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 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

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

Origin of diethylstilbestrol

1935–40; di-1 + ethyl + stilbestrol; see stilbene, estrus, -ol1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

British Dictionary definitions for stilbestrol (1 of 2)

stilbestrol

stilboestrol

/ (stɪlˈbiːstrəl) /

noun

another name for diethylstilbestrol

Word Origin for stilbestrol

C20: from stilbene + oestrus + -ol 1

British Dictionary definitions for stilbestrol (2 of 2)

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 stilbestrol (1 of 2)

stilbestrol
[ stĭl-bĕstrôl′, -trōl′ ]

n.

DES.

Medical definitions for stilbestrol (2 of 2)

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 stilbestrol

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.