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Wordnet 3.0

NOUN (2)

1. (archaic) a solvent;

2. the monthly discharge of blood from the uterus of nonpregnant women from puberty to menopause;
- Example: "the women were sickly and subject to excessive menstruation"
- Example: "a woman does not take the gout unless her menses be stopped"--Hippocrates
- Example: "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"--Aristotle
[syn: menstruation, menses, menstruum, catamenia, period, flow]


The Collaborative International Dictionary of English v.0.48:

Menstruum \Men"stru*um\, n.; pl. E. Menstruums, L. Menstrua. [L. menstruus. See Menstruous.] Any substance which dissolves a solid body; a solvent. [1913 Webster] The proper menstruum to dissolve metal. --Bacon. [1913 Webster] All liquors are called menstruums which are used as dissolvents, or to extract the virtues of ingredients by infusion or decoction. --Quincy. [1913 Webster] Note: 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]
WordNet (r) 3.0 (2006):

menstruum n 1: (archaic) a solvent 2: 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"--Hippocrates; "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"-- Aristotle [syn: menstruation, menses, menstruum, catamenia, period, flow]