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English definition of “menstruation”

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noun [U] uk   /ˌmen.struˈeɪ.ʃən/ formal us  
an occasion when a woman menstruates: the onset of menstruation
Translations of “menstruation”
in Chinese (Traditional) 行經,月經來潮…
in Chinese (Simplified) 行经,月经来潮…
(Definition of menstruation from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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