trioxide

[ trahy-ok-sahyd, -sid ]

nounChemistry.
  1. an oxide containing three oxygen atoms, as As2O3.

Origin of trioxide

1
First recorded in 1865–70; tri- + oxide

Words Nearby trioxide

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How to use trioxide in a sentence

British Dictionary definitions for trioxide

trioxide

/ (traɪˈɒksaɪd) /


noun
  1. any oxide that contains three oxygen atoms per molecule: sulphur trioxide, SO 3

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