Trioxide

//trʌɪˈɒksʌɪd// noun

Definitions

Noun
  1. 1
    Any oxide containing three oxygen atoms in each molecule.

    "Zeona has a thin atmosphere of sulfur dioxide and trioxide, created by volcanic outgassing. There are traces of water vapor in the atmosphere, but over the last five centuries of observation particle counts have decreased 4%."

  2. 2
    an oxide containing three atoms of oxygen in the molecule wordnet
  3. 3
    Any organic compound of general formula R-OOO-R', derived from trioxidane.

Etymology

From tri- + oxide.

Next best steps

Mini challenge

Unscramble this word: trioxide