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单词 hydrogen chloride
释义

WordReference Random House Unabridged Dictionary of American English © 2024
hydrogen chloride, 
  1. Chemistrya colorless gas, HCl, having a pungent odor: the anhydride of hydrochloric acid.
  • 1865–70

Collins Concise English Dictionary © HarperCollins Publishers::
hydrogen chloride n
  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
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