estradiol

noun

es·​tra·​di·​ol ˌe-strə-ˈdī-ˌȯl  -ˌōl 

: 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

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

The resultant electrical signal can be wirelessly measured and correlated to estradiol levels via a simple-to-use smartphone app. —Andrew Paul, Popular Science, 5 Oct. 2023

The rat hole has been filled with coins and surrounded by offerings, including a shrine, handmade signs, gifts and even estradiol pills, which are estrogen hormones. —Kat Tenbarge, NBC News, 24 Jan. 2024

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

Phrases Containing estradiol

• ethinyl estradiol

Medical Definition

estradiol

noun

es·​tra·​di·​ol ˌes-trə-ˈdī-ˌȯl  -ˌōl 

variants or chiefly British oestradiol

ˌē-strə-ˈdī-ˌȯl  ē-ˈstrad-ē-ˌȯl 

-ˌōl

: 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