1 definition found From The Collaborative International Dictionary of English v.0.44 [gcide]: Hydrochloric \Hy'dro*chlo"ric\, adjective [Hydro-, 2 + chloric: cf. F. hydrochlorique.] (Chem.) Pertaining to, or compounded of, chlorine and hydrogen gas; as, hydrochloric acid; chlorhydric. {Hydrochloric acid} (Chem.), hydrogen chloride; a colorless, corrosive gas, {HCl}, of pungent, suffocating odor. It is made in great quantities in the soda process, by the action of sulphuric acid on common salt. It has a great affinity for water, and the commercial article is a strong solution of the gas in water. It is a typical acid, and is an indispensable agent in commercial and general chemical work. Called also {muriatic acid} and {chlorhydric acid}.

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