n a potent estrogen used in medicine and in feed for livestock and poultry
n 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
abbr. 高等专业学习文凭（Dipl?me d'Etudes Supérieures Spécialisées）；数字式电子交换系统（Digital Electronics Switching System）