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superoxide

/ˌsuːpərˈɒksɪd/ noun · British & US
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What does superoxide mean?

A superoxide is a type of chemical compound that contains the superoxide ion, with the formula O2−. These compounds are typically formed when an element reacts with oxygen under specific conditions, often requiring high pressures or temperatures. Superoxides play important roles in various biological and industrial processes. For instance, the enzyme superoxide dismutase helps protect cells from oxidative damage by converting superoxides into less harmful substances. Understanding superoxides is crucial in fields such as chemistry, biology, and medicine, where their properties and reactions have significant implications.

noun

A superoxide is a compound that contains the superoxide ion, which has the formula O2−. Superoxides are typically formed when an element reacts with oxygen under certain conditions.

Senses
  1. A chemical compound containing the superoxide ion.
  2. A product of a reaction involving oxygen and another element.
Example

"The superoxide dismutase enzyme plays a crucial role in protecting cells from oxidative damage."

More examples

"The researchers studied the properties of potassium superoxide."

"Superoxides are often used in industrial applications."

Plural superoxides

Countable, used to refer to multiple types or instances of superoxides.

Example

"The laboratory stored several superoxides for experimental purposes."

Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.

Etymology of superoxide

The term 'superoxide' originates from the prefix 'super-' meaning 'above' or 'beyond', and 'oxide', referring to a compound containing oxygen. The superoxide ion, O2−, was first identified in the 20th century, and since then, various superoxides have been synthesized and studied.

Usage notes

Formal and scientific contexts, often used in chemistry and biology.

Synonyms for superoxide

Rhymes with superoxide