Definition of stilboestrol in English:
 stilboestrol
(US stilbestrol)
noun stɪlˈbiːstrɒlstilˈbesˌtrôl
mass nounBiochemistry A powerful synthetic oestrogen used in hormone therapy, as a post-coital contraceptive, and as a growth-promoting agent for livestock.
 Example sentencesExamples
-  Female hormones lead to gynecomastia, as demonstrated in patients with alcoholic liver disease and those who have been treated with drugs such as stilbestrol.
 -  After 11 years of stilboestrol treatment, he was transferred to three monthly injections of LHRH analogue (Zoladex) to reduce the risk of developing the cardiovascular side effects associated with stilboestrol.
 -  So you don't think that we'll have a stilboestrol problem which is the problem where women, to prevent miscarriage, got high doses of oestrogen in the hope that it would prevent the miscarriage.
 -  As part of an investigation into the mechanism of the enterohepatic circulation of stilboestrol the passage of stilboestrol and its monoglucuronide conjugate into sacs of everted rat intestine was studied.
 -  For example, thyroxine for thyroid cancer, tamoxifen for oestrogen receptor positive breast cancer, and stilboestrol for cancer of the prostate.
 
Origin
  
1930s: from stilbene + oestrus + -ol.