WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
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
Word Usage
"Everyone in this field is mindful of the long-running tragedy of vaginal and other cancers and male urinary disorders that resulted from the last drug thought to prevent premature birth - a synthetic estrogen called diethylstilbesterol, or DES."