stilboestrol stil·boest·rol UK/stɪlˈbiː.stɹɒl/ uncommon noun 1. a potent estrogen used in medicine and in feed for livestock and poultry SynonymsdiethylstilbestroldiethylstilboestrolstilbestrolDES Related words Broader terms estrogen WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). WordNet 2.1 Copyright Princeton University. All rights reserved.
