Definition of superoxide in English:

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superoxide

Pronunciation: /ˌso͞opərˈäkˌsīd/

noun

Chemistry
An oxide containing the anion O2.
Example sentences
  • In pure water irradiated by ultrasound under aerobic conditions, it is possible to find free oxygen and hydrogen, hydrogen peroxide and superoxide, nitrous and nitric acids.
  • Although the most common anion formed by oxygen is monatomic, oxygen can also form diatomic ions known as peroxides and superoxides (monovalent).
  • Catalase acts as a free radical scavenger by neutralizing superoxide radical anion and hydrogen peroxide.

For editors and proofreaders

Syllabification: su·per·ox·ide

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