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menstruum

[men-stroo-uh m, -struh m]
noun, plural men·stru·ums, men·stru·a [men-stroo-uh, -struh] /ˈmɛn stru ə, -strə/.
  1. a solvent.
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Origin of menstruum

1350–1400; special use of Middle English menstruum monthly period < Medieval Latin (in L only plural mēnstrua occurs). See menstrual
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for menstruum

Historical Examples


British Dictionary definitions for menstruum

menstruum

noun plural -struums or -strua (-strʊə) obsolete
  1. a solvent, esp one used in the preparation of a drug
  2. a solid formulation of a drug
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Word Origin

C17 (meaning: solvent), C14 (menstrual discharge): from Medieval Latin, from Latin mēnstruus monthly, from mēnsis month; from an alchemical comparison between a base metal being transmuted into gold and the supposed action of the menses
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

menstruum in Medicine

menstruum

(mĕnstrōō-əm)
n. pl. men•stru•ums
  1. A solvent, especially one used in extracting compounds from plant and animal tissues and preparing drugs.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.