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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

Derived 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.

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

And how much of it ended up as RNA-producing sulfite?

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

Most published directions for the preparation of phenylhydrazine specify the use of zinc dust and acetic acid following the reduction with sodium sulfite.

From Organic Syntheses by Conant, James Bryant

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