ammonium chloride: Meaning and Definition of

ammo'nium chlo'ride

Pronunciation: [key]
— Chem., Pharm. Chem.,Pharm.
  1. a white, crystalline, water-soluble powder, NHCl, which produces a cooling sensation on the tongue, used chiefly in the manufacture of dry cells, in electroplating, and in medicine as an expectorant. Also called
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.