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hydrogen chloride
noun
: a colorless pungent poisonous gas HCl that fumes in moist air and yields hydrochloric acid when dissolved in water
Examples of hydrogen chloride in a Sentence
Recent Examples on the Web
Chlorine and hydrogen chloride were detected at high concentrations for several days based on the U.S. Environmental Protection Agency air monitoring results, according to the report.
—Chris Boyette, CNN, 24 Nov. 2024
Between April and December last year, the facility repeatedly exceeded its daily emissions limits for hydrogen chloride and carbon monoxide, according to the legal complaint filed Thursday in Baltimore City Circuit Court by the Maryland Department of the Environment.
—Christine Condon, Baltimore Sun, 14 Mar. 2024
That same month, another quality assurance test showed that the incinerator’s equipment wasn’t providing accurate readings for hydrogen chloride.
—Christine Condon, Baltimore Sun, 14 Mar. 2024
Tests did not find vinyl chloride or hydrogen chloride in any homes.
—Brenda Goodman, CNN, 9 Mar. 2024
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Word History
First Known Use
1869, in the meaning defined above
Time Traveler
The first known use of hydrogen chloride was
in 1869
Dictionary Entries Near hydrogen chloride
Cite this Entry
“Hydrogen chloride.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hydrogen%20chloride. Accessed 22 Dec. 2024.
Kids Definition
hydrogen chloride
noun
: a colorless sharp-smelling poisonous gas that is made up of hydrogen and chlorine and produces hydrochloric acid when dissolved in water
Medical Definition
hydrogen chloride
noun
: 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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