estrogen

noun

es·tro·gen | \ ˈe-strə-jən

Definition of estrogen

: any of various natural steroids (such as estradiol) that are formed from androgen precursors, that are secreted chiefly by the ovaries, placenta, adipose tissue, and testes, and that stimulate the development of female secondary sex characteristics and promote the growth and maintenance of the female reproductive system also : any of various synthetic or semisynthetic steroids (such as ethinyl estradiol) that mimic the physiological effect of natural estrogens

Examples of estrogen in a Sentence

Recent Examples on the Web Contraceptives have also improved over the years, with intrauterine devices and oral options that offer an ultralow dose of estrogen. — BostonGlobe.com, 30 May 2021 Telogen effluvium can be triggered by major stress, vitamin deficiencies, and the inevitable decrease in estrogen that occurs after delivery, the American Academy of Dermatology (AAD) explains. — Carolyn L. Todd, SELF, 20 May 2021 Fluctuating hormonal levels — especially a dip in estrogen right before and during your period — is associated with more frequent headaches, according to the Mayo Clinic. — Allison Young, Good Housekeeping, 19 May 2021 This is especially true when the replacement hormone is estrogen, which puts a woman at double to four times the risk of getting blood clots, but can happen with testosterone, too. — Annalisa Merelli, Quartz, 13 Apr. 2021 For transgender teenagers who first take puberty blockers and then take estrogen and testosterone treatments, the Endocrine Society warns that the treatment may compromise fertility later in life. — Samantha Schmidt, Washington Post, 22 Apr. 2021 In women, for example, estrogen levels increase after orgasm, and that can enhance REM cycles and promote a better night's sleep. — Sandee Lamotte, CNN, 21 Apr. 2021 The seemingly obvious culprit of estrogen, for example, could end up obscuring some more obtuse cause. — Katherine J. Wu, The Atlantic, 16 Apr. 2021 These symptoms, rather than the vaccine itself, could affect your cycle — and research has shown that, due to estrogen levels, people who menstruate are more likely to experience a stronger immune response and more powerful side effects. — Lydia Wang, refinery29.com, 11 Apr. 2021

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'estrogen.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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Dictionary Entries Near estrogen

estrogen replacement therapy

Estron

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Last Updated

8 Jun 2021

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“Estrogen.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/estrogen. Accessed 18 Jun. 2021.

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More Definitions for estrogen

estrogen

noun

English Language Learners Definition of estrogen

medical : a substance (called a hormone) that occurs naturally in women

See the full definition for estrogen in the English Language Learners Dictionary

estrogen

noun

es·tro·gen | \ ˈes-trə-jən

variants: or chiefly British oestrogen \ ˈē-strə-jən

Medical Definition of estrogen

: any of various natural steroids (as estradiol) that are formed from androgen precursors, that are secreted chiefly by the ovaries, placenta, adipose tissue, and testes, and that stimulate the development of female secondary sex characteristics and promote the growth and maintenance of the female reproductive system also : any of various synthetic or semisynthetic steroids (as ethinyl estradiol) that mimic the physiological effect of natural estrogens

Other Words from estrogen

estrogen-like or estrogenlike \ -ˌlīk

\ adjective

an estrogen-like compound estrogen-like effects