DIENESTROL

noun

also di·en·oes·trol ˌdīəˈneˌstrȯl, -rōl

( -s )

Etymology: di ph en ol + estr ogen, oestr ogen + -ol

: a white crystalline estrogenic diphenol [HOC 6 H 4 C( = CHCH 3 )−] 2 containing two hydrogen atoms fewer than diethylstilbestrol