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English word
HYPHEN
WORDNET DICTIONARY
CIDE DICTIONARY
OXFORD DICTIONARY
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WORDNET DICTIONARY
Noun menstruum has 2 senses
- menstruum(n = noun.substance) - (archaic) a solvent; is a kind of dissolvent, dissolver, dissolving agent, resolvent, solvent
- 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
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]
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