ˌklōrōˌtrīˈanə̇ˌsēn, ˌklȯr- noun
( -s )
Etymology: chlor- + tri- + anis- (II) + -ene
: a synthetic estrogen C 23 H 21 ClO 3 that is administered orally in the treatment of menopause-related conditions (as kraurosis of the vulva), abnormal estrogen deficiency (as in hypogonadism), or in the palliative treatment of some prostate cancers