hydrogen chloride

noun

Definition of hydrogen chloride 

: a colorless pungent poisonous gas HCl that fumes in moist air and yields hydrochloric acid when dissolved in water

First Known Use of hydrogen chloride

1869, in the meaning defined above

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The first known use of hydrogen chloride was in 1869

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More Definitions for hydrogen chloride

hydrogen chloride

noun

Medical Definition of hydrogen chloride 

: a colorless pungent poisonous gas HCl that fumes in moist air and yields hydrochloric acid when dissolved in water

More from Merriam-Webster on hydrogen chloride

Britannica.com: Encyclopedia article about hydrogen chloride

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