estrone

noun

es·​trone ˈe-ˌstrōn How to pronounce estrone (audio)
: a natural estrogenic hormone that is a ketone C18H22O2 found in the body chiefly as a metabolite of estradiol, that is also secreted especially by the ovaries, and that is used to treat various conditions (such as ovarian failure and menopausal symptoms) relating to estrogen deficiency

Examples of estrone in a Sentence

Recent Examples on the Web Estrogen is a group of hormones (there are three types: estradiol, estriol, and estrone) that helps regulate the menstrual cycle and has an impact on various parts of the body, including the urinary tract, bones, breasts, skin, heart and blood vessels, pelvic muscles, and the brain. Fiorella Valdesolo, Vogue, 14 June 2023 Respeggt found a way around that: punch a 0.3-millimeter-wide hole in a shell, suck up a drop of embryonic urine, and test for estrone sulfate, a hormone only female chicks produce. Popular Science, 3 Dec. 2019

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'estrone.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

Etymology

estrane

First Known Use

1933, in the meaning defined above

Time Traveler
The first known use of estrone was in 1933

Dictionary Entries Near estrone

Cite this Entry

“Estrone.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/estrone. Accessed 29 Mar. 2024.

Medical Definition

estrone

noun
es·​trone ˈes-ˌtrōn How to pronounce estrone (audio)
variants or chiefly British oestrone
: a natural estrogenic hormone that is a ketone C18H22O2 found in the body chiefly as a metabolite of estradiol, is also secreted especially by the ovaries, and is used to treat various conditions (as ovarian failure and menopausal symptoms) relating to estrogen deficiency see theelin

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