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2 definitions found
 for Hydrochloric acid
From The Collaborative International Dictionary of English v.0.48 :

  Hydrochloric \Hy`dro*chlo"ric\, a. [Hydro-, 2 + chloric: cf. F.
     hydrochlorique.] (Chem.)
     Pertaining to, or compounded of, chlorine and hydrogen gas;
     as, hydrochloric acid; chlorhydric.
     [1913 Webster]
     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.
        [1913 Webster]

From WordNet (r) 3.0 (2006) :

  hydrochloric acid
      n 1: an aqueous solution of hydrogen chloride; a strongly
           corrosive acid [syn: hydrochloric acid, chlorohydric

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