Definition of sulphite in English:

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Pronunciation: /ˈsʌlfʌɪt/
(also sulfite)


A salt of sulphurous acid, containing the anion SO32−.
Example sentences
  • Items to be avoided are lactose, yeast, artificial dyes, titanium dioxide preservatives, sulfites, synthetic colors, and gluten.
  • Normally, sulfite oxidase metabolizes sulfites to sulfates, which are excreted in the urine or reused by the body.
  • The sulfite provides sufficient alkalinity to activate and maintain the developing process, and in addition acts as a solvent.


Late 18th century: from French sulfite, alteration of sulfate (see sulphate).

For editors and proofreaders

Line breaks: sul|phite

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