ammonium carbonate

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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.

Nearby words

ammonium acetate, ammonium bicarbonate, ammonium bifluoride, ammonium binoxalate, ammonium carbamate, ammonium carbonate, ammonium chloride, ammonium chrome alum, ammonium chromic sulfate, ammonium cyanate, ammonium hydroxide

Origin of ammonium carbonate

First recorded in 1880–85

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for ammonium carbonate

ammonium carbonate

noun

an unstable pungent soluble white powder that is a double salt of ammonium bicarbonate and ammonium carbamate: used in the manufacture of baking powder, smelling salts, and ammonium compounds. Formula: (NH 4)HCO 3 .(NH 4)CO 2 NH 2

an unstable substance that is produced by treating this compound with ammonia. Formula: (NH 4) 2 CO 3

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

Medicine definitions for ammonium carbonate

ammonium carbonate

n.

A carbonate of ammonium.

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