English Dictionary

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menstruum (ˈmɛnstrʊəm Pronunciation for menstruum

Definitions

noun

(plural) -struums, -strua  (-strʊə)  (obsolete)
  1. a solvent, esp one used in the preparation of a drug
  2. a solid formulation of a drug

Word Origin

C17 (meaning: solvent), C14 (menstrual discharge): from Medieval Latin, from Latin mēnstruus monthly, from mēnsis month; from an alchemical comparison between a base metal being transmuted into gold and the supposed action of the menses

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