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thimerosal

[thahy-mur-uh-sal, -mer-] /θaɪˈmɜr əˌsæl, -ˈmɛr-/
noun, Pharmacology
1.
a cream-colored, crystalline, water-soluble powder, C 9 H 9 HgNaO 2 S, used chiefly as an antiseptic.
Origin
1945-1950
1945-50; perhaps thi- + mer(cury) + -o- + sal(icylate)
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for thimerosal

thimerosal

/θaɪˈmɛrəˌsæl/
noun
1.
a creamy white crystalline compound of mercury, used in solution as an antiseptic. Formula: C9H9HgNaO2S
Word Origin
C20: from thio- + mer(cury) + sal(icylate)
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
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thimerosal in Medicine

thimerosal thi·mer·o·sal (thī-měr'ə-sāl')
n.
A cream-colored crystalline powder used as a local antiseptic for abrasions and minor cuts.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Encyclopedia Article for thimerosal

organic compound used as an antiseptic for the skin and mucous membranes, sometimes marketed under the trade name Merthiolate. It is related to merbromin (Mercurochrome) and nitromersol (Metaphen). Thimerosal disinfects by the action of the mercury in the molecule, which precipitates the protein of a microorganism and disrupts its metabolism. Thimerosal occurs as a light-coloured crystalline powder, soluble in water and in alcohol. It is used as a 0.1 percent alcoholic tincture or aqueous solution

Learn more about thimerosal with a free trial on Britannica.com
Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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