dienestrol
noun
di·en·es·trol
| \ ˌdī-ə-ˈnes-ˌtrȯl
, -ˌtrōl
\
, -ˌtrōl
\
variants:
or chiefly British dienoestrol \ ˌdī-ə-ˈnēs-
\
\
Medical Definition of dienestrol
: a white crystalline estrogenic compound C18H18O2 structurally related to diethylstilbestrol and used topically to treat atrophic vaginitis and kraurosis vulvae