menstruum From WikiWord Entry Discussion Read Edit View history Contents EnglishPronunciationNounRelated termsReferences English Pronunciation IPA /ˈmɛn.stɹʊəm/ Nounmenstruum noun(chiefly in the plural) The menses; menstrual discharge.A solvent.Any liquid medium. Related termsSynonymsmenstruemensesmenstrualmonthmenstruationfloodmonthsmenstrual fluidcoursemenstrual periodmenstrationmonthlytime of the monthmensmonthly friendmonthly visitor References Wiktionary — menstruum Wikipedia — menstruum