| menstruum | Origin: L. Menstruus. See Menstruous. Any substance which dissolves a solid body; a solvent. "The proper menstruum to dissolve metal." (Bacon) "All liquors are called menstruums which are used as dissolvents, or to extract the virtues of ingredients by infusion or decoction." (Quincy) 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. Source: Websters Dictionary (01 Mar 1998) |
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| mensual | Monthly. Origin: L. Mensis, month (05 Mar 2000) |
| mensuration | 1. The act, process, or art, of measuring. 2. That branch of applied geometry which gives rules for finding the length of lines, the areas of surfaces, or the volumes of solids, from certain simple data of lines and angles. Origin: L. Mensuratio: cf. F. Mensuration. Source: Websters Dictionary (01 Mar 1998) |