estrone

noun es·trone \ ˈe-ˌstrōn \

Definition of estrone

: 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

Origin and Etymology of estrone

estrane

NEW! Time Traveler

First Known Use: 1933

in the meaning defined above

See Words from the same year

Medical Dictionary

estrone

noun es·trone \ ˈes-ˌtrōn \

variants: or chiefly British oestrone play \ˈē-ˌstrōn\

medical Definition of estrone

: 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