muriatic acidn.

1755 J. Black Exper. Magnesia Alba (1796) I. 46 When it [sc. the earth of animal bones] is added to the nitrous or to the muriatic acid, it is slowly dissolved.

1772 Philos. Trans. (Royal Soc.) 62 462 The powder is found to consist of the particles of silver, combined with the muriatic acid.

1788 J. St. John tr. L. B. Guyton de Morveau et al. Method Chym. Nomencl. 180 When an acid or a metallic calx imbibes an excess of oxygen, the epithet oxygenated is added to signify such property; thus we say oxygenated muriatic acid.

1789 R. Kerr tr. A. Lavoisier Elements Chem. 231 Table of the Combinations of Muriatic Acid.

1812 H. Davy Elements Chem. Philos. 46 A theoretical nomenclature is liable to continued alteration; oxygenated muriatic acid is as improper a name as dephlogisticated marine acid.

1874 W. B. Carpenter Princ. Mental Physiol. (1879) i. ii. 55 Some irritating vapour (such as that of ammonia or muriatic acid).

1910 Encycl. Brit. I. 676/1 Hydrochloric acid (commercially also known as ‘muriatic acid’).

1947 Science 19 Sept. 259/1 The rock bearing the fossils is immersed in muriatic acid in large, acid-resistant vats, the limestone being thus dissolved to yield the silicified fossils intact.

1979 Vole 3 50/1 The aluminium core [was] etched out with Muriatic acid, used in California to clean outdoor pools.

1985 Educ. in Chem. 22 12/1 They discovered combustible air (hydrogen), dephlogisticated muriatic acid (chlorine),..and many more.