: a white crystalline volatile salt NH4Cl that is used in dry cells and as an expectorant
called alsosal ammoniac
Example Sentences
Recent Examples on the WebTetro says to look for active ingredients such as bleach, hydrogen peroxide, quaternary ammonium chloride, and phenolics. Rachel Chang, Condé Nast Traveler, 20 Apr. 2020 The candy’s elements—licorice, salt, and, no joke, ammonium chloride—hit your tongue, throat, and nose in various combinations as the black morsel dissolves in your mouth over the course of a minute or two.Wired, 5 Nov. 2019
Word History
First Known Use
1857, in the meaning defined above
Medical Definition
ammonium chloride
noun
: a white crystalline volatile salt NH4Cl that is used in dry cells and as an expectorant