A potent estrogen used in medicine and in feed for livestock and poultry.

synonyms: diethylstilbestrol, diethylstilboestrol, stilbestrol, stilboestrol.

Polish: stilbestrol, dietylstilbestrol

Synthetic nonsteroid with the properties of estrogen; formerly used to treat menstrual problems but was found to be associated with vaginal cancers in the daughters of women so treated during pregnancy.

synonyms: diethylstilbesterol, stilbesterol.