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English definition of “menstruate”

menstruate

verb [I]  /ˈmen·struˌeɪt/ us  
to have a flow of blood from the uterus, usually for three to five days every four weeks, in women who are not pregnant
menstrual
adjective [not gradable]  /ˈmen·strəl, -stru·əl/ us  
a menstrual cycle/period
(Definition of menstruate from the Cambridge Academic Content Dictionary © Cambridge University Press)
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