|an obscure term ostensibly referring to a lung disease caused by silica dust, sometimes cited as one of the longest words in the English language.|
|a white, crystalline, water-insoluble solid, C14H9Cl5, usually derived from chloral by reaction with chlorobenzene in the presence of fuming sulfuric acid: used as an insecticide and as a scabicide and pediculicide: agricultural use prohibited in the U.S.|
|diethylstilbestrol or diethylstilboestrol (daɪˌɛθɪlstɪlˈbɛstrɒl, -ˌiːθaɪl-, daɪˌɛθɪlstɪlˈbɛstrɒl, -ˌiːθaɪl-)|
|stilbestrol, Also called: stilboestrol a synthetic hormone with oestrogenic properties, used to relieve menopausal symptoms. Formula: OHC6H4CH:CHC6H4OH|
|diethylstilboestrol or diethylstilboestrol|
diethylstilbestrol di·eth·yl·stil·bes·trol (dī-ěth'əl-stĭl-bēs'trôl, -trōl)
nonsteroidal synthethic estrogen used as a drug and formerly used to promote growth of livestock. Unlike natural estrogens, DES remains active following oral administration. It is also administered as vaginal suppositories and by injection. DES breaks down more slowly in the body than do the natural estrogens.
Learn more about diethylstilbestrol with a free trial on Britannica.com.