1. trioxide

noun. an oxide containing three atoms of oxygen in the molecule.


  • arsenous anhydride
  • arsenous oxide
  • arsenic trioxide
  • ratsbane
  • arsenic
  • oxide

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Sentences with trioxide

1. Noun, singular or mass
Fill the bath container to the halfway mark with distilled or deionized water and calculate the amount of chromium trioxide and sulfuric acid to be added to the solution.

2. Preposition or subordinating conjunction
Add antimony trioxide together with a brominated compound to polyethylene during processing.