menstruation
noun
men·stru·a·tion
ˌmen(t)-strü-ˈwā-shən 
men-ˈstrā-
: a cyclical discharging of blood, secretions, and tissue debris from the uterus that recurs in nonpregnant breeding-age primate females at approximately monthly intervals and that is considered to represent a readjustment of the uterus to the nonpregnant state following proliferative changes accompanying the preceding ovulation
also
: period sense 6c
Examples of menstruation in a Sentence
a first menstruation can be somewhat scary for girls who are unprepared
Recent Examples on the Web
Deloitte’s research reveals that more than 40% of women who experience high levels of pain during menstruation simply work through it.
—
Eva Epker, Forbes.com, 14 May 2025
Because many people with PCOS experience heavy bleeding during menstruation, low iron levels are common (iron deficiency anemia).
—Peter Weiss, Verywell Health, 13 May 2025
The book has long been lauded for its direct discussion of menstruation and other facts of life not often found in children's literature, and the film is a frank yet loving ode to Blume's vision.
—Kevin Jacobsen, EW.com, 10 May 2025
Join 5 others in the comments View Comments There are guidelines for the dietary patterns associated with reduction in the risk of early menstruation.
—Madeline Holcombe, CNN Money, 6 May 2025
See All Example Sentences for menstruation
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Eva Epker, Forbes.com, 14 May 2025
Because many people with PCOS experience heavy bleeding during menstruation, low iron levels are common (iron deficiency anemia).
—Peter Weiss, Verywell Health, 13 May 2025
The book has long been lauded for its direct discussion of menstruation and other facts of life not often found in children's literature, and the film is a frank yet loving ode to Blume's vision.
—Kevin Jacobsen, EW.com, 10 May 2025
Join 5 others in the comments View Comments There are guidelines for the dietary patterns associated with reduction in the risk of early menstruation.
—Madeline Holcombe, CNN Money, 6 May 2025
See All Example Sentences for menstruation
Cite this Entry
“Menstruation.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/menstruation. Accessed 1 Jun. 2025.
Copy CitationKids Definition
menstruation
noun
men·stru·a·tion
ˌmen(t)-strə-ˈwā-shən
men-ˈstrā-shən
: a discharging of blood, secretions, and tissue debris from the uterus at periods of approximately one month in female primates of breeding age that are not pregnant
also
: period sense 3c
Medical Definition
menstruation
noun
men·stru·a·tion
ˌmen(t)-strə-ˈwā-shən, men-ˈstrā-
: a discharging of blood, secretions, and tissue debris from the uterus that recurs in nonpregnant human and other primate females of breeding age at approximately monthly intervals and that is considered to represent a readjustment of the uterus to the nonpregnant state following proliferative changes accompanying the preceding ovulation
also
: period sense 1b
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