Word.ws English Dictionary

sulphurous acid

sulphurous acid is the alternative spelling of sulfurous acid.

Meaning of sulfurous acid

Noun

sulfurous acid (uncountable)

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

Questions about sulphurous acid

What is sulphurous acid the alternative spelling of?
Sulphurous acid is the alternative spelling of sulfurous acid.

Words near sulphurous acid in the dictionary

  1. sulphurizes
  2. sulphurizing
  3. sulphurless
  4. sulphurlike
  5. sulphurous
  6. sulphurous acid
  7. sulphurously
  8. sulphurousness
  9. sulphurs
  10. sulphursome
  11. sulphurtransferase

Source and license

Adapted from Wiktionary: sulphurous acid (page history and authors); sulfurous acid (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Cite this entry: “sulphurous acid.” Word.ws, https://word.ws/sulphurous_acid. Based on Wiktionary, CC BY-SA 4.0.