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mercurous chloride

American  

noun

Pharmacology.
  1. calomel.


mercurous chloride British  

noun

  1. Systematic name: mercury(I) chloride.  Also called: calomel.  a white tasteless insoluble powder used as a fungicide and formerly as a medical antiseptic, cathartic, and diuretic. Formula: Hg 2 Cl 2

"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

Etymology

Origin of mercurous chloride

First recorded in 1880–85

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Being insoluble, mercurous chloride is precipitated as a white solid when a soluble chloride is added to a solution of mercurous nitrate: HgNO3 + NaCl = HgCl + NaNO3.

From An Elementary Study of Chemistry by McPherson, William

The molecular weight of mercurous chloride has given occasion for much discussion.

From Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 1 "Calhoun" to "Camoens" by Various

Like mercurous chloride it is a white solid, but differs from it in that it is soluble in water.

From An Elementary Study of Chemistry by McPherson, William

Minor sources include the black or gray sulphide, metacinnabar, the native metal, and the white mercurous chloride, calomel.

From The Economic Aspect of Geology by Leith, C. K. (Charles Kenneth)

How could you distinguish between mercurous chloride and mercuric chloride?

From An Elementary Study of Chemistry by McPherson, William

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