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sulfite

American  
[suhl-fahyt] / ˈsʌl faɪt /

noun

Chemistry.
  1. a salt or ester of sulfurous acid.

  2. any sulfite-containing compound, especially one that is used in foods or drug products as a preservative and that can cause severe allergic reactions in susceptible individuals: use in fresh fruits and vegetables banned by the FDA in 1986.


sulfite Scientific  
/ sŭlfīt′ /
  1. A salt or ester of sulfurous acid, containing the group SO 3.


Other Word Forms

Etymology

Origin of sulfite

First recorded in 1780–90; sulf(ur) + -ite 1

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

To do so, it has compounds called sulfite oxidases that create sulfate from sulfite – the 20 milligrams in a glass of wine are unlikely to overwhelm your sulfite oxidases.

From Salon Dec. 16, 2024

Frozen shrimp may contain preservatives like sodium tripolyphosphate and sodium bisulfite, which people with sulfite or phosphate sensitivities may want to avoid.

From Seattle Times Jun. 2, 2024

However, even in the absence of oxygen, sulfite is very reactive, and many reactions could have scrubbed it from the early Earth environment.

From Science Daily Mar. 13, 2024

To make the humanmade version, the team first softened thin strips of oak by boiling them with lye and sodium sulfite.

From Science Magazine Feb. 15, 2023

The sodium sulfite solution is placed in a 12-l. flask and cooled to about 5'0.

From Organic Syntheses by James Bryant Conant

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