hydrogen peroxide

noun

1. a colorless, unstable, oily liquid, H 2 O 2 , an aqueous solution of which is used chiefly as an antiseptic and a bleaching agent.

hydrogen peroxide

noun

1. 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

hydrogen peroxide

1. A colorless, dense liquid, that is often used as a bleach or is diluted with water for use as an antiseptic. Chemical formula: H ₂ O ₂ .

Word History and Origins

Origin of hydrogen peroxide¹

First recorded in 1870–75

Example Sentences

And products used in treatments offered by dentists cannot contain more than 6% hydrogen peroxide.

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According to eyewitnesses, the chemical warehouse stored bleaching powder, plastic and hydrogen peroxide, all of which can intensify fires.

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But a quick perusal shows that most of these are simple, familiar chemicals that are allowed for very specific reasons, like hydrogen peroxide and rubbing alcohol as disinfectants for equipment.

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That reaction also generates hydrogen peroxide, which is fed back into the zeolite to provide a source of oxygen for the conversion of methane to methanol.

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Researchers have achieved a breakthrough in improving the efficiency of an electrochemical reaction that produces hydrogen peroxide -- a vital chemical for industrial applications such as disinfection, bleaching, and sewage treatment.

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