sulphurous acid

A form of sulfurous acid — The weak acid, H₂SO₃, present in a solution of sulfur dioxide in water; it is a reducing agent and mild bleach.

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Meanings

nounsulphurous acid (uncountable)
  1. UKalternativeuncountablechemistryAlternative spelling of sulfurous acid.
Cite this entry
APA

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

MLA

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

Chicago

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

Source: sulphurous acid on Wiktionary, CC BY-SA 4.0.