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
Example Sentences
Recent Examples on the Web Half of the participants will be given an estradiol patch for one week, while the other half will serve as a control group, and researchers will follow them to see whether estrogen reduces the severity of their disease. 
Roni Caryn Rabin, BostonGlobe.com, 27 Apr. 2020 For example, levels of the main female hormone estradiol drop significantly after menopause, which directly affects the way women carry fat, Dr. Kapoor says. Jo Yurcaba, Woman's Day, 21 May 2019 Low levels of estradiol can point to PCOS or pituitary issues. Jennifer Gerson, Marie Claire, 1 Oct. 2018 Conversely, estradiol may also be able to stimulate mast cells to activate and release histamine more easily, Dr. Shah says, so this could be a cycle of sorts. Krissy Brady, SELF, 27 July 2018 Estradiol blood test Secreted by maturing follicles, estradiol is a form of estrogen, the major female reproductive hormone. Jennifer Gerson, Marie Claire, 1 Oct. 2018 The prices for estradiol products for vaginal use have risen significantly over the past five years. Katie Thomas, New York Times, 3 June 2018 The study’s authors prescribed progesterone and estradiol, hormones that can influence lactation and that normally occur in pregnant women. Ceylan Yeginsu, New York Times, 15 Feb. 2018 Tyler’s experiments looked at one type of synthetic estrogen: ethinyl estradiol, or EE2, which is found in oral contraceptives like TriNessa and Seasonique. Becky Little, Smithsonian, 1 Aug. 2017 See More
Roni Caryn Rabin, BostonGlobe.com, 27 Apr. 2020 For example, levels of the main female hormone estradiol drop significantly after menopause, which directly affects the way women carry fat, Dr. Kapoor says. Jo Yurcaba, Woman's Day, 21 May 2019 Low levels of estradiol can point to PCOS or pituitary issues. Jennifer Gerson, Marie Claire, 1 Oct. 2018 Conversely, estradiol may also be able to stimulate mast cells to activate and release histamine more easily, Dr. Shah says, so this could be a cycle of sorts. Krissy Brady, SELF, 27 July 2018 Estradiol blood test Secreted by maturing follicles, estradiol is a form of estrogen, the major female reproductive hormone. Jennifer Gerson, Marie Claire, 1 Oct. 2018 The prices for estradiol products for vaginal use have risen significantly over the past five years. Katie Thomas, New York Times, 3 June 2018 The study’s authors prescribed progesterone and estradiol, hormones that can influence lactation and that normally occur in pregnant women. Ceylan Yeginsu, New York Times, 15 Feb. 2018 Tyler’s experiments looked at one type of synthetic estrogen: ethinyl estradiol, or EE2, which is found in oral contraceptives like TriNessa and Seasonique. Becky Little, Smithsonian, 1 Aug. 2017 See More 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
Medical Definition
estradiol
noun
es·tra·di·ol ˌes-trə-ˈdī-ˌȯl -ˌōl
-ˌōl variants or chiefly British oestradiol
ˌē-strə-ˈdī-ˌȯl ē-ˈstrad-ē-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