menstruum(n = noun.process) catamenia, flow, menses, menstruation, period - the monthly discharge of blood from the uterus of nonpregnant women from puberty to menopause; "the women were sickly and subject to excessive menstruation"; "a woman does not take the gout unless her menses be stopped"; "the semen begins to appear in males and to be emitted at the same time of life that the catamenia begin to flow in females"

is a kind of discharge, emission, expelling

has particulars: hypermenorrhea, menorrhagia, oligomenorrhea

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CIDE DICTIONARY

menstruum, n. [L. menstruus. See Menstruous.].

Any substance which dissolves a solid body; a solvent. [1913 Webster]

" The use is supposed to have originated in some notion of the old chemists about the influence of the moon in the preparation of dissolvents." Johnson. [1913 Webster]

"The proper menstruum to dissolve metal." [1913 Webster]

"All liquors are called menstruums which are used as dissolvents, or to extract the virtues of ingredients by infusion or decoction." [1913 Webster]

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OXFORD DICTIONARY

menstruum, n. (pl. menstrua) a solvent.

Etymology

ME f. L, neut. of menstruus monthly f. mensis month f. the alchemical parallel between transmutation into gold and the supposed action of menses on the ovum

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ROGET THESAURUS

menstruum

Liquefaction

N liquefaction, liquescence, liquescency, melting, colliquation, colliquefaction, thaw, liquation, deliquation, deliquescence, lixiviation, dissolution, solution, apozem, lixivium, infusion, flux, solvent, menstruum, alkahest, liquefied, liquescent, liquefiable, deliquescent, soluble, colliquative.

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