estriol

estriol [es-tree-awl, -ol, -trahy-] Word Origin noun

1. Biochemistry. an estrogenic hormone, C18H21(OH)3, occurring in urine during pregnancy.
2. Pharmacology. a commercial form of this compound, obtained from human placentas or the urine of pregnant women, used in conditions involving estrogen deficiency.

Origin of estriol First recorded in 1930–35; es(trin) + tri- + -ol1 British Dictionary definitions for estriol estriol noun

1. the usual US spelling of oestriol

estriol in Medicine estriol [ĕs′trī-ôl′, -ōl′, ĕ-strī′-] n.

1. A metabolite of estradiol and usually the predominant estrogenic metabolite found in the urine of pregnant women.theelol