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Noun: estriol  'e-stree,ówl
Usage: N. Amer (elsewhere: oestriol)
  1. A naturally occurring estrogenic hormone; a synthetic form is used to treat estrogen deficiency
    - oestriol [Brit]

Derived forms: estriols

Type of: estrogen [N. Amer], oestrogen [Brit, Cdn]

Encyclopedia: Estriol