1. (

• hydrogen_peroxide ,
• peroxide

) 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. (

• peroxide ,

) an inorganic compound containing the divalent ion -O-O- ;

1. (

• peroxide

) bleach with peroxide; "She must peroxide her hair-it looks unnaturally blond" ;