sodium sulphite

A form of sodium sulfite — The sodium salt of sulfurous acid, Na₂SO₃, used as a food preservative, in photography and in many industrial applications.

Similar
E221 when used as a food preservative
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Meanings

nounsodium sulphite (plural sodium sulphites)

plural sodium sulphites

  1. UKalternativeAlternative spelling of sodium sulfite.

    Synonyms: E221 when used as a food preservative

Synonyms & antonyms

Cite this entry
APA

sodium sulphite. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/sodium%20sulphite

MLA

“sodium sulphite.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/sodium%20sulphite. Accessed November 5, 2026.

Chicago

WatkinsX Dictionary, s.v. “sodium sulphite,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/sodium%20sulphite.

Source: sodium sulphite on Wiktionary, CC BY-SA 4.0.