Word.ws English Dictionary

sulphur dioxide

sulphur dioxide is the alternative spelling of sulfur dioxide.

Meaning of sulfur dioxide

Noun

sulfur dioxide (uncountable)

  1. (US) A toxic gas, of molecular formula SO₂ that is found in the emissions of volcanos and those of burning coal or petroleum; dissolves in water to form sulfurous acid and, in the presence of oxygen, sulfuric acid, and is thus responsible for acid rain.

Synonyms of sulphur dioxide

  • E220 when used as a food preservative

Questions about sulphur dioxide

What is sulphur dioxide the alternative spelling of?
Sulphur dioxide is the alternative spelling of sulfur dioxide.

Words near sulphur dioxide in the dictionary

  1. sulphur cockatoo
  2. sulphur cone
  3. Sulphur Creek
  4. sulphur cycle
  5. sulphur dibromide
  6. sulphur dioxide
  7. sulphur ether
  8. sulphur fungi
  9. sulphur fungus
  10. sulphur hexafluoride
  11. sulphur impression

Source and license

Adapted from Wiktionary: sulphur dioxide (page history and authors); sulfur dioxide (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.

Last updated:

Cite this entry: “sulphur dioxide.” Word.ws, https://word.ws/sulphur_dioxide. Based on Wiktionary, CC BY-SA 4.0.