Definition of superoxide in English:
superoxide
noun suːpərˈɒksʌɪdˌso͞opərˈäkˌsīd
Chemistry An oxide containing the anion O₂⁻.
Example sentencesExamples
- 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.
- Antioxidants, such as vitamins C and E, and antioxidant enzymes, such as superoxide dismutase and catalase, may play an important role in protecting the pathway.
- 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.
- When the toxin is exposed to light, it reacts with oxygen to produce superoxide anions and singlet oxygen, which are also known as free radicals.