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ammonium carbonate

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ammonium carbonate

–noun Chemistry.
a water-soluble mixture of ammonium bicarbonate and ammonium carbamate, occurring either as a white powder or in colorless, hard, crystalline masses: used chiefly in the manufacture of smelling salts and baking powder.

Origin:
1880–85
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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ammonium carbonate  
n.  
  1. A carbonate of ammonium, (NH4)2CO3.

  2. The white, crystalline double salt of ammonium bicarbonate and ammonium carbamate, NH4HCO3·NH2COONH4, produced commercially and used in smelling salts and baking powder.

The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Medical Dictionary

Main Entry: ammonium carbonate
Function: noun
: a carbonate of ammonium; specifically : the commercial mixture of the bicarbonate and carbamate usedespecially in smelling salts
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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Medical Dictionary

ammonium carbonate n.

  1. A carbonate of ammonium.

  2. The double salt of ammonium bicarbonate and ammonium carbamate, produced commercially and used in powder form in smelling salts.

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