01 a. Pertaining to, or consisting of, oxygen and muriatic acid, that is, hydrochloric acid.
-
1.
Pertaining to, or consisting of, oxygen and muriatic acid, that is, hydrochloric acid.(Chem.) [Archaic.]
Phrases & compounds
Oxymuriatic acid —
chlorine, formerly so called on the supposition that it was a compound of oxygen and muriatic acid.