Menstruum

//ˈmɛn.stɹʊəm// noun

Definitions

Noun
  1. 1
    The menses; menstrual discharge. historical, in-plural
  2. 2
    the monthly discharge of blood from the uterus of nonpregnant women from puberty to menopause wordnet
  3. 3
    A solvent. historical

    "Whenever any menstruum or other additament is employed, together with the fire, to obtain a sulphur or a salt from a body, we may well take the freedom to examine, whether or no the menstruum do barely help to separate the principle obtained by it..."

  4. 4
    (archaic) a solvent wordnet
  5. 5
    Any liquid medium

Etymology

From Latin mēnstruum (“menstrual discharge”).

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