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mercurous

[mer-kyoo r-uh s, mur-kyer-uh s]
adjective Chemistry.
  1. containing univalent mercury, Hg+1 or Hg2+2.
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Origin of mercurous

First recorded in 1860–65; mercur(y) + -ous
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for mercurous

mercurous

adjective
  1. of or containing mercury in the monovalent state; denoting a mercury(I) compound. Mercurous salts contain the divalent ion Hg² 2 +
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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

mercurous in Medicine

mercurous

(mər-kyurəs, mûrkyər-əs)
adj.
  1. Relating to or containing mercury, especially with a valence of 1.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

mercurous in Science

mercurous

[mər-kyurəs, mûrkyər-əs]
  1. Containing mercury, especially mercury with a valence of 1. Compare mercuric.
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.