Definitions

1. noun

A type of reactive oxygen species, often formed in the body as a result of normal metabolic processes or exposure to environmental stressors.

“The superoxide radicals were found to be responsible for the oxidative damage in the cell cultures.”

2. chemistry

A compound that contains the superoxide anion (O2−) as a component.

“Superoxide is a common intermediate in many chemical reactions, including the decomposition of hydrogen peroxide.”