: a salt NaNO2 used especially in dye manufacture and as a meat preservative
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Canadian police say Law, from the Toronto area, used a series of websites to market and sell sodium nitrite, a substance commonly used to cure meats that can be deadly if ingested.—ABC News, 18 Apr. 2026 Be aware that sodium nitrite is added to the brine to prevent bacterial growth and to give the meat its characteristic pink color.—Tribune Content Agency, Baltimore Sun, 4 Mar. 2026 Amazon also didn't adequately display warning labels for the sodium nitrite products sold on its site, according to the suit.—Mary Cunningham, CBS News, 19 Feb. 2026 Though some of these preservatives were not associated with cancer incidence, others were, including potassium sorbate, potassium metabisulfite, sodium nitrite, potassium nitrate and acetic acid.—Sara Moniuszko, USA Today, 8 Jan. 2026 See All Example Sentences for sodium nitrite
: a salt used especially in the manufacture of dyes and as a meat preservative
Medical Definition
sodium nitrite
noun
: a colorless or yellowish deliquescent salt NaNO2 that is used as a meat preservative and in medicine as a vasodilator and an antidote for cyanide poisoning