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hydrogen chloride

noun
1.
a colorless gas, HCl, having a pungent odor: the anhydride of hydrochloric acid.
Origin
1865-1870
1865-70
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for hydrogen chloride
  • All alone, ammonia and hydrogen chloride use negativity to get attached.
  • Upon exposure to air, there is an immediate release of toxic hydrogen chloride gas.
  • So the reaction of hydrogen chloride with water has hydrogen chloride acting as a proton donor, so it is an acid.
  • The methamphetamine can then be precipitated from the solvent by adding hydrogen chloride and changing the pH to acidic.
  • The largest toxic emissions from secondary aluminum production are chlorine and hydrogen chloride.
  • In dry oxidation, thin oxide layers are grown in an environment containing oxygen and hydrogen chloride near atmospheric pressure.
  • Mixtures with concentrated sulfuric acid can evolve toxic hydrogen chloride gas at a dangerous rate.
  • Consists of hydrogen chloride, a gas, dissolved in water.
  • The amendments do not set limits on hydrogen chloride emissions from cement kilns.
British Dictionary definitions for hydrogen chloride

hydrogen chloride

noun
1.
a colourless pungent corrosive gas obtained by the action of sulphuric acid on sodium chloride: used in making vinyl chloride and other organic chemicals. Formula: HCl
2.
an aqueous solution of hydrogen chloride; hydrochloric acid
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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hydrogen chloride in Medicine

hydrogen chloride n.
A colorless, fuming, corrosive, very soluble, suffocating gas that forms hydrochloric acid in solution.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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hydrogen chloride in Science
hydrogen chloride  
A colorless, corrosive, suffocating gas used in making plastics and in many industrial processes. When mixed with water, it forms hydrochloric acid. Chemical formula: HCl.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Encyclopedia Article for hydrogen chloride

(HCl), a compound of the elements hydrogen and chlorine, a gas at room temperature and pressure. A solution of the gas in water is called hydrochloric acid.

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