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hydrogen chloride n.
A colorless, fuming, corrosive, very soluble, suffocating gas that forms hydrochloric acid in solution.
|hydrogen chloride |
A colorless, corrosive, suffocating gas used in making plastics and in many industrial processes. When mixed with water, it forms hydrochloric acid. Chemical formula: HCl.
(HCl), a compound of the elements hydrogen and chlorine, a gas at room temperature and pressure. A solution of the gas in water is called hydrochloric acid.