menstruation

[ men-stroo-ey-shuh n, -strey- ]
/ ˌmɛn struˈeɪ ʃən, -ˈstreɪ- /

noun

the periodic discharge of blood and mucosal tissue from the uterus, occurring approximately monthly from puberty to menopause in nonpregnant women and females of other primate species.
the period of menstruating.

Origin of menstruation

First recorded in 1770–80; menstruate + -ion

Example sentences from the Web for menstruation

British Dictionary definitions for menstruation

menstruation
/ (ˌmɛnstrʊˈeɪʃən) /

noun

the approximately monthly discharge of blood and cellular debris from the uterus by nonpregnant women from puberty to the menopause Also called: menses Nontechnical name: period

Derived forms of menstruation

menstruous (ˈmɛnstrʊəs), adjective

Medical definitions for menstruation

menstruation
[ mĕn′strōō-āshən ]

n.

The process or an instance of discharging the menses.

Scientific definitions for menstruation

menstruation
[ mĕn′strōō-āshən ]

The monthly flow of blood from the uterus beginning at puberty in girls and other female primates. Also called menses See also menstrual cycle.

Cultural definitions for menstruation

menstruation
[ (men-strooh-ay-shuhn) ]

The periodic discharge of the blood-enriched lining of the uterus through the vagina. Menstruation marks the end of one menstrual cycle and the beginning of another.