n.a naturally occurring weak estrogenic hormone secreted by the mammalian ovary; synthesized (trade name Estronol) and used to treat estrogen deficiency
同义词：estronetheelinEstronol
英汉双解大词典
oestrone/ˈiːstrəʊn, ˈɛstrəʊn/(alsoestrone)
1.
N（名词）
a weak oestrogenic hormone secreted by the mammalian ovary and having the same medical uses as oestradiol. Formula: C18H22O2 雌酮