Word.ws English Dictionary

sulfur trioxide

sulfur trioxide noun: a corrosive liquid, SO₃, which forms sulfuric acid on contact with water; made commercially by the oxidation of sulfur dioxide.

Noun

sulfur trioxide (uncountable)

  1. A corrosive liquid, SO₃, which forms sulfuric acid on contact with water; made commercially by the oxidation of sulfur dioxide.

Forms of sulfur trioxide

alternative UKsulphur trioxide

Questions about sulfur trioxide

What does sulfur trioxide mean?
Sulfur trioxide means a corrosive liquid, SO₃, which forms sulfuric acid on contact with water; made commercially by the oxidation of sulfur dioxide.
What part of speech is sulfur trioxide?
Sulfur trioxide is a noun.

Words near sulfur trioxide in the dictionary

  1. sulfur soaps
  2. sulfur spring
  3. sulfur springs
  4. sulfur tree
  5. sulfur trees
  6. sulfur trioxide
  7. sulfur tuft
  8. sulfur tufts
  9. sulfur weed
  10. sulfur works
  11. sulfur yellow

Source and license

Adapted from Wiktionary: sulfur trioxide (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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