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nitrous acid
noun
: an unstable acid HNO2 known only in solution or in the form of its salts or esters
Examples of nitrous acid in a Sentence
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In both the lab and in the truck, the reaction between nicotine and nitrous acid produced substantial amounts of three types of toxic compounds....
—
Smriti Rao, Discover Magazine, 9 Feb. 2010
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Word History
First Known Use
1788, in the meaning defined above
Dictionary Entries Near nitrous acid
Cite this Entry
“Nitrous acid.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/nitrous%20acid. Accessed 7 Feb. 2025.
Medical Definition
nitrous acid
noun
: an unstable acid HNO2 known only in solution or in the form of its salts
More from Merriam-Webster on nitrous acid
Britannica.com: Encyclopedia article about nitrous acid
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