gum ammoniac
noun
a brownish-yellow gum resin, having an acrid taste, occurring in tearlike fragments from a plant, Dorema ammoniacum, of western Asia: used in porcelain ceramics and in medicine as an expectorant and counterirritant.
Also called
ammoniac,
ammoniacum.
Origin of gum ammoniac
Middle English word dating back to 1350–1400
Words nearby gum ammoniac
gulosity,
gulp,
gulper eel,
gum,
gum accroides,
gum ammoniac,
gum arabic,
gum band,
gum benzoin,
gum bichromate process,
gum dammar