Dictionary

estriol

noun es·tri·ol \ˈes-ˌtrī-ˌl, e-ˈstrī-, -ˌōl\

Definition of ESTRIOL

:  a relatively weak natural estrogenic hormone that is a glycol C18H24O3 found in the body chiefly as a metabolite of estradiol, is the main estrogen secreted by the placenta during pregnancy, and is the estrogen typically found in the urine of pregnant women

Origin of ESTRIOL

estrane + tri- + 1-ol
First Known Use: 1933

estriol

noun es·tri·ol \ˈes-ˌtrī-ˌl, e-ˈstrī-, -ˌōl\   (Medical Dictionary)

Medical Definition of ESTRIOL

:  a relatively weak natural estrogenic hormone that is a glycol C18H24O3 found in the body chiefly as a metabolite of estradiol, is the main estrogen secreted by the placenta during pregnancy, and is the estrogen typically found in the urine of pregnant women

Variants of ESTRIOL

es·tri·ol or chiefly British oes·tri·ol \ˈē-ˌstrī-ˌl, ē-ˈstrī-, -ˌōl\

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