Definition of sulfite in English:


Syllabification: sul·fite
Pronunciation: /ˈsəlˌfīt
(chiefly British also sulphite)


  • A salt of sulfurous acid, containing the anion SO32−.
    More 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: French, alteration of sulfate (see sulfate).

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