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oestradiol

British  
/ ˌiːstrəˈdaɪɒl, ˌɛstrə- /

noun

  1. the most potent oestrogenic hormone secreted by the mammalian ovary: synthesized and used to treat oestrogen deficiency and cancer of the breast. Formula: C 18 H 24 O 2

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of oestradiol

C20: from New Latin, from oestrin + di- 1 + -ol 1

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

However, women who had the lowest 25% of oestradiol levels showed a much reduced risk.

From Science Daily • Dec. 6, 2023

Today, the biochemistry of this steroid hormone is well known, from its daily fluctuations to its synthesis from cholesterol and occasional conversion to oestradiol, a form of oestrogen.

From Nature • Oct. 21, 2019

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.