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- Word comparison: ammonia vs. ammonium
ammonia vs. ammonium
noun
Chemistry.
a colorless, pungent, suffocating, highly water-soluble, gaseous compound, NH 3 , 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.
Also called ammonia water. Also called aqueous ammonia,. Also called ammonia solution,. this gas dissolved in water; ammonium hydroxide.
noun
Chemistry.
the univalent ion, NH 4 + , or group, NH 4 , which plays the part of a metal in the salt formed when ammonia reacts with an acid.
