stilbestrol stilbene • stilbite · · · Info · Definitions · Synonyms · Characters · · stilbestrol · · Text Latin · · Script 11 · · Length Definitions · · · (noun) a potent estrogen used in medicine and in feed for livestock and poultry. Synonyms: diethylstilbestrol, diethylstilboestrol, stilboestrol, DES. · · Noun Definition 1 Synonyms · · · diethylstilbestrol · · Synonym 1 diethylstilboestrol · · Synonym 2 stilboestrol · · Synonym 3 des · · Synonym 4 Characters · · b latin small letter b U+0062 e latin small letter e U+0065 i latin small letter i U+0069 l latin small letter l U+006C o latin small letter o U+006F r latin small letter r U+0072 s latin small letter s U+0073 t latin small letter t U+0074