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hydrogen chloride

noun

  1. a colorless gas, HCl, having a pungent odor: the anhydride of hydrochloric acid.


hydrogen chloride

noun

  1. a colourless pungent corrosive gas obtained by the action of sulphuric acid on sodium chloride: used in making vinyl chloride and other organic chemicals. Formula: HCl
  2. an aqueous solution of hydrogen chloride; hydrochloric acid


hydrogen chloride

  1. 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.


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Word History and Origins

Origin of hydrogen chloride1

First recorded in 1865–70

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