Meaning of ammonia


Pronunciation: (u-mōn'yu, u-mō'nē-u), [key]
— n. Chem.
  1. a colorless, pungent, suffocating, highly water-soluble, gaseous compound, NH, usually produced by the direct combination of nitrogen and hydrogen gases: used chiefly for refrigeration and in the manufacture of commercial chemicals and laboratory reagents.
  2. Also calledthis gas dissolved in water; ammonium hydroxide.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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