hydrogen peroxide
noun
a colorless, unstable, oily liquid, H2O2, an aqueous solution of which is used chiefly as an antiseptic and a bleaching agent.
Origin of hydrogen peroxide
First recorded in 1870–75
Words nearby hydrogen peroxide
British Dictionary definitions for hydrogen peroxide
hydrogen peroxide
noun
a colourless oily unstable liquid, usually used in aqueous solution. It is a strong oxidizing agent used as a bleach for textiles, wood pulp, hair, etc, and as an oxidizer in rocket fuels. Formula: H 2 O 2
Medical definitions for hydrogen peroxide
hydrogen peroxide
n.
A colorless, heavy, strongly oxidizing liquid capable of reacting explosively with combustibles and used principally in aqueous solution as a mild antiseptic, a bleaching agent, an oxidizing agent, and a laboratory reagent.
hydroperoxide
Scientific definitions for hydrogen peroxide
hydrogen peroxide
A colorless, dense liquid, that is often used as a bleach or is diluted with water for use as an antiseptic. Chemical formula: H2O2.