Pertaining to or containing ammonia.

Of or relating to ammonia, or possessing its properties.

Alternative form of ammoniacum

(mineralogy) a rare mineral composed of ammonium chloride found around volcanic fumaroles and guano deposits. / (chemistry, archaic) ammonium chloride.

Alternative spelling of sal ammoniac

plural of gum ammoniac

A gum-resin exuded from the several perennial herbs in the genus Ferula of the umbel family (Apiaceae).

gum ammoniac, a resin exuded from the stem of the perennial herb Dorema ammoniacum.