1. An oxide, oxygenated to the utmost.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• auperoxide,
• zuperoxide,
• xuperoxide,
• duperoxide,
• euperoxide,
• wuperoxide,
• syperoxide,
• shperoxide,
• sjperoxide,
• siperoxide,
• s8peroxide,
• s7peroxide,
• suoeroxide,
• superoxcide,
• superoxiede,
• sueroxide,
• suproxide,
• superoxid,
• supperoxide,
• hyperoxied

• supergiant,
• subrogate,
• superego,
• superstar,
• supercargo,
• super acid,
• supersede,
• superscribe.

The adjective form of the word "superoxide" is "superoxidic".

The plural of the "superoxide" can be the "superoxides".

The singular of the "superoxide" can be the "superoxide".