Definition of sulfite in English:

sulfite

(British sulphite)

noun

Chemistry
  • A salt of sulfurous acid, containing the anion SO₃²−

    • ‘Pesticides and added sulfites can create allergic reactions causing a person to think he is reacting to a food, when, in truth, the culprits are likely to be these additives.’
    • ‘The sulfite provides sufficient alkalinity to activate and maintain the developing process, and in addition acts as a solvent.’
    • ‘Sulfate-reducing bacteria utilize a process termed ‘dissimilatory sulfate reduction’ to reduce sulfite and sulfate to sulfide.’
    • ‘They breathe compounds such as CO2, sulphate, sulphite, certain oxidised metals.’
    • ‘Labeling on wines otherwise organically produced, but with added sulfites, may only say, ‘made with organic grapes.’’
    • ‘Also available are organic liquid hand soaps and shower gels, which are made without detergents, sulfites or synthetic preservatives.’
    • ‘Since last December, all products must state on the label that they contain any of the eight main food allergens (milk, eggs, peanuts, tree nuts, fish, shellfish, soy, and cereals containing gluten), plus sesame seeds and sulphites.’
    • ‘Not only that, but carbonate and sulfite are the chemicals you run out of most often.’
    • ‘Normally, sulfite oxidase metabolizes sulfites to sulfates, which are excreted in the urine or reused by the body.’
    • ‘During primary sulphate assimilation in chloroplasts, sulphate is reduced via sulphite to the organic sulphide which is used for cysteine biosynthesis.’
    • ‘Fein eliminates the bromide altogether, substitutes benzotriazole, increases the sulfite, and adds a whopping 13.5 grams of citric acid.’
    • ‘What you are describing sounds suspiciously like a reaction to the preservative sulfite.’
    • ‘Winemakers who add natural sulfites but otherwise adhere to organic standards may use the term ‘made from organically grown grapes ‘on their labels.’’
    • ‘Sulphur dioxide is used to a certain extent in the making of virtually all wine, therefore virtually all wine contains sulfites, or sulphites.’
    • ‘Others less concerned with added sulfites can satisfy their organic cravings with wine labeled ‘made from organic grapes.’’
    • ‘Allergies to sulfites have been documented and foods containing sulfites are usually marked.’
    • ‘Some asthmatics also react to sulfites present in some foods and wines.’
    • ‘Items to be avoided are lactose, yeast, artificial dyes, titanium dioxide preservatives, sulfites, synthetic colors, and gluten.’
    • ‘As soon as you stir in the sulfite, you will see the same sort of precipitate that you see when mixing Formulary Rodinal.’
    • ‘Californian organic wines can sometimes contain trace amounts of sulphur or sulphites.’

Origin

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

Pronunciation

sulfite

/ˈsəlfīt/