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Noun: oestrogen  ees-tru-jun or es-tru-jun
Usage: Brit, Cdn (US: estrogen)
  1. A general term for female steroid sex hormones that are secreted by the ovary and responsible for typical female sexual characteristics
    - estrogen [N. Amer]

Derived forms: oestrogens

Type of: sex hormone, steroid, steroid hormone

Encyclopedia: Oestrogen