Read the dictionary definition of peroxide. All definitions for this word.
1. a viscous liquid with strong oxidizing properties; a powerful bleaching agent; also used (in aqueous solutions) as a mild disinfectant and (in strong concentrations) as an oxidant in rocket fuels
2. an inorganic compound containing the divalent ion -O-O-
3. bleach with peroxide
1. She must peroxide her hair-it looks unnaturally blond