n. The univalent anion, O2-, obtained from molecular oxygen by adding an electron; any compound containing this anion
the GNU version of the Collaborative International Dictionary of English
n. See peroxide.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. the univalent anion O2-
n. a metallic oxide containing the univalent anion O2-
Word Usage
"- Aloe Vera - It is believes that the regular use of aloe vera gel activates the production of nitric oxide and contains an enzyme known as superoxide dismutane."