peroxide
/pəˈɹɑksaɪd/ noun C1- A divalent radical or anion containing two oxygen atoms linked by a covalent bond; any substance containing this group yields hydrogen peroxide when treated with an acid.
- Hydrogen peroxide, especially when in an aqueous solution used as a bleach.
- Any compound containing the functional group R-O-O-R'.
Plural peroxides
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