Diethylstilbestrol definition

dī-ĕthəl-stĭl-bĕstrôl, -trōl
A nonsteroidal synthetic drug, C18 H20 O2 , having estrogenic properties and used in the treatment of advanced prostate cancer. Before 1971 it was prescribed to prevent miscarriage and to treat menstrual disorders but was found to cause vaginal cancer and other reproductive abnormalities in the daughters of pregnant women so treated.
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A synthetic estrogen, C18H20O2, used as a substitute for natural estrogens: a probable carcinogen now banned by the FDA as a food supplement for fattening cattle.
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A nonsteroidal synthetic drug, C18 H20 O2 , having estrogenic properties and used in the treatment of advanced prostate cancer. Before 1971 it was prescribed to prevent miscarriage and to treat menstrual disorders but was found to cause vaginal cancer and other reproductive abnormalities in the daughters of pregnant women so treated.
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An orally-active synthetic nonsteroidal oestrogen, first synthesized in 1938 and withdrawn in the 1970s on being identified as a teratogen.
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