estradiol

noun

es·​tra·​di·​ol ˌe-strə-ˈdī-ˌȯl How to pronounce estradiol (audio) -ˌōl How to pronounce estradiol (audio)
: a natural estrogenic hormone that is a phenolic alcohol C18H24O2 secreted chiefly by the ovaries, that is the most potent of the naturally occurring estrogens, and that is administered in its natural or semisynthetic esterified form especially to treat menopausal symptoms

Examples of estradiol in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Women who are susceptible to migraines tend to experience a faster rate of estradiol decline around the time of their period compared to women who don’t. Lori Youmshajekian, WIRED, 23 Sep. 2024 Within three months, most of the transgender men’s testosterone levels entered the typical range for cisgender men while their estradiol (the most potent form of estrogen that is made in the body) and progesterone levels decreased. Tanya Lewis, Scientific American, 4 Sep. 2024 It is characterized by high follicle-stimulating hormone (FSH) levels, low estradiol (estrogen) levels, and vasomotor symptoms. Joy Emeh, Health, 18 July 2024 These receptors are found in multiple areas of the brain and are particularly important for mediating the cognitive and behavioral effects of estradiol, the most potent form of estrogen. Sandra Rose Salathe, Flow Space, 25 June 2024 See all Example Sentences for estradiol 

Word History

Etymology

International Scientific Vocabulary estra- (from estrane parent compound of estradiol, from New Latin estrus + English -ane) + di- + -ol entry 1

First Known Use

1934, in the meaning defined above

Time Traveler
The first known use of estradiol was in 1934

Dictionary Entries Near estradiol

Cite this Entry

“Estradiol.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/estradiol. Accessed 29 Nov. 2024.

Medical Definition

estradiol

noun
es·​tra·​di·​ol ˌes-trə-ˈdī-ˌȯl How to pronounce estradiol (audio) -ˌōl How to pronounce estradiol (audio)
variants or chiefly British oestradiol
: a natural estrogenic hormone that is a phenolic alcohol C18H24O2 secreted chiefly by the ovaries, is the most potent of the naturally occurring estrogens, and is administered in its natural or semisynthetic esterified form especially to treat menopausal symptoms

called also dihydrotheelin

see estrace, estraderm, estring

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