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Noun: estrogen  e-stru-jun
Usage: N. Amer (elsewhere: oestrogen)
  1. A general term for female steroid sex hormones secreted by the ovary
    "Estrogen therapy can help alleviate symptoms of menopause";
    - oestrogen [Brit, Cdn]

Derived forms: estrogens

Type of: sex hormone, steroid, steroid hormone

Encyclopedia: Estrogen, esterified