Dictionary

estrogen

noun es·tro·gen \ˈes-trə-jən\

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

Full 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
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Origin of ESTROGEN

New Latin estrus + International Scientific Vocabulary -o- + -gen
First Known Use: 1927
Medical Dictionary

estrogen

noun es·tro·gen \ˈes-trə-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

Variants of ESTROGEN

es·tro·gen or chiefly British oes·tro·gen \ˈē-strə-jən\

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