estriol

[ es-tree-awl, -ol, -trahy- ]

Phonetic (Standard)IPA

noun

Biochemistry. an estrogenic hormone, C 18 H 21 (OH) 3 , occurring in urine during pregnancy.
Pharmacology. a commercial form of this compound, obtained from human placentas or the urine of pregnant women, used in conditions involving estrogen deficiency.

estriol

/ ˈɛstrɪˌɒl; ˈiːstrɪ- /

noun

See oestriol
the usual US spelling of oestriol

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Word History and Origins

Origin of estriol¹

First recorded in 1930–35; es(trin) + tri- + -ol ¹

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Example Sentences

Voskuhl has been testing estriol in clinical trials as a potential treatment against multiple sclerosis, and she says so far results have been promising.

From MIT Technology Review

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estrin estrogen

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