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Noun: menstruation  men'strey-shun or `men-stroo'ey-shun
  1. The monthly discharge of blood from the uterus of nonpregnant women from puberty to menopause
    "the women were sickly and subject to excessive menstruation"
    - menses, menstruum, catamenia, period, flow

Derived forms: menstruations

See also: menstruate, premenstrual

Type of: discharge, emission, expelling

Encyclopedia: Menstruation

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