noun
- a chemical compound containing the superoxide ion (O₂⁻), which has one unpaired electron and is highly reactive
Usage: chemistry
Examples
- Superoxide radicals can damage cells if not neutralized by antioxidants.
- The enzyme superoxide dismutase helps protect tissues from superoxide damage.
- Potassium superoxide is used in oxygen-generating systems for submarines.
- White blood cells produce superoxide as part of the immune response.
- Scientists study superoxide formation in mitochondria during cellular respiration.
- Superoxide anions are formed when oxygen gains an extra electron.