Definition of hydrochloric acid in English:

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hydrochloric acid

Pronunciation: /ˌhʌɪdrəˈklɔːrɪk ˈasɪd/
/ˌhʌɪdrəˈklɒrɪk ˈasɪd/


[mass noun] Chemistry
A strongly acidic solution of the gas hydrogen chloride in water.
  • Chemical formula: HCl
Example sentences
  • The complementary acid is typically either phosphoric acid or hydrochloric acid.
  • His other discoveries included nitrogen, hydrochloric acid, ammonia and carbon monoxide, and he was the father of the soda-water industry.
  • To determine the exact concentration, titrating the hydrochloric acid against a solution of base, for example sodium hydroxide, would be appropriate.
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