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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

  • sulfitic adjective

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

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

However, these chemical pathways all rely on a critical sulfur molecule, called sulfite.

From Science Daily

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

From Science Daily

By contrast, as geological evidence indicates, there was very little oxygen in early Earth's atmosphere, which could have allowed sulfite to accumulate and last much longer.

From Science Daily