noun
: a colorless syrupy explosive corrosive compound H 2 O 2 that has a bitter metallic taste and causes blisters on the skin, that is prepared in aqueous solutions in various ways (as by the electrolysis of sulfuric acid and hydrolysis of the persulfuric acid formed, by the action of acid on barium peroxide, or by the autoxidation of anthraquinone derivatives) and can be concentrated usually by distillation, and that is used chiefly in dilute form as a bleach and antiseptic and in more concentrated forms as an oxidizing agent and propellant (as for rockets)