menstruation

noun
men·​stru·​a·​tion | \ˌmen(t)-strü-ˈwā-shən, men-ˈstrā-\

Definition of menstruation 

: 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

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Synonyms for menstruation

Synonyms

monthlies, period

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Examples of menstruation in a Sentence

a first menstruation can be somewhat scary for girls who are unprepared

Recent Examples on the Web

Think about it: These doctors practically major in menstruation! Carolyn Twersky, Seventeen, "13 Things No One Tells You About Your First Gyno Visit," 13 Sep. 2018 And that plays into so many patriarchal myths about women being dirty, that menstruation has toxins. Eric Johnson, Recode, "The internet’s favorite Goop critic Dr. Jen Gunter says ‘medical conspiracy theories’ are running amok online," 20 Aug. 2018 Sadly, you can’t simply will your menstruation away. Korin Miller, SELF, "Is There Any Reliable Way to Make Your Period Come Faster?," 11 July 2018 The very fact of menstruation seems toappall the president. Emily Atkin, The New Republic, "Why Do Americans Refuse to Give Up Tampons?," 21 May 2018 The company’s Whisper brand tackled menstruation taboos in India. Jeff Green, BostonGlobe.com, "World’s biggest advertiser P&G to hire more female directors," 18 June 2018 The fluctuation in hormones during menstruation can cause acne. Nazanin Saedi, Philly.com, "The real reasons we get adult acne and how to treat it," 11 July 2018 In the past year, for example, Unicode faced a sensitive matter: whether to include a menstruation emoji. Virginia Heffernan, WIRED, "The Delicate Art of Creating New Emoji," 28 June 2018 On May 28, social media users from around the world commemorated Menstrual Hygiene Day by calling for an end to the stigma surrounding menstruation. Lauren Rearick, Teen Vogue, "Menstrual Hygiene Day Sparks Social Media Hashtag #MenstruationMatters," 28 May 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'menstruation.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of menstruation

1686, in the meaning defined above

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Statistics for menstruation

Last Updated

15 Nov 2018

Look-up Popularity

Time Traveler for menstruation

The first known use of menstruation was in 1686

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More Definitions for menstruation

menstruation

noun
men·​stru·​a·​tion | \ˌmen-strə-ˈwā-shən, men-ˈstrā-shən\

Kids Definition of menstruation

: a discharge of bloody fluid from the uterus that usually happens each month

menstruation

noun
men·​stru·​a·​tion | \ˌmen(t)-strə-ˈwā-shən, men-ˈstrā- \

Medical Definition of menstruation 

: 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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