World English Dictionary
oestrogen or estrogen (ˈiːstrədʒən, ˈɛstrə-)
any of several steroid hormones, that are secreted chiefly by the ovaries and placenta, that induce oestrus, stimulate changes in the female reproductive organs during the oestrous cycle, and promote development of female secondary sexual characteristics
[C20: from oestrus + -gen]
estrogen or estrogen
[C20: from oestrus + -gen]
oestrogenic or estrogen
estrogenic or estrogen
oestro'genically or estrogen
estro'genically or estrogen

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