Dictionary.com
Thesaurus.com

estradiol

American  
[es-truh-dahy-awl, -ol] / ˌɛs trəˈdaɪ ɔl, -ɒl /

noun

  1. Biochemistry.  an estrogenic hormone, C 18 H 24 O 2 , produced by the maturing Graafian follicle, that causes proliferation and thickening of the tissues and blood vessels of the endometrium.

  2. Pharmacology.  a commercial form of this compound, obtained from the urine of pregnant humans and mares or synthesized, used in the treatment of estrogen deficiency and certain menopausal and postmenopausal conditions.


estradiol British  
/ ˌɛstrəˈdaɪɒl, ˌiːstrə- /

noun

  1. the US spelling of oestradiol

"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 estradiol

1930–35; estra- (combining form representing estrin ) + 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.

It typically consists of taking estradiol—delivered through pills, patches, gels and sprays—often given in combination with oral progesterone to reduce the risk of uterine cancer.

From The Wall Street Journal

The hormone estradiol could also be used to alleviate menopause symptoms like hot flashes and night sweats, and progesterone could be used to protect the uterine lining and improve sleep quality.

From MarketWatch

Taken together, the results extend previous findings indicating that women with early bilateral oophorectomy are at high risk for Alzheimer's disease due to a link between APOE4 and estradiol loss in this cohort.

From Science Daily

When the couple’s older child was 19, living at home as a college student, Mrs. James got a call from the pharmacy informing her that her child’s prescription for estradiol, or estrogen, was ready.

From New York Times

The researchers engineered the yeast to degrade proteins essential for life unless estradiol, a type of oestrogen, was present.

From Science Daily