hydrogen peroxide

American  

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.

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hydrogen peroxide British  

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

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hydrogen peroxide Scientific  

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 .

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Etymology

Origin of hydrogen peroxide

First recorded in 1870–75

Example Sentences

When E. faecalis is present in a wound, the hydrogen peroxide it produces causes oxidative stress in nearby human skin cells.

From Science Daily

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

From BBC

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

From BBC

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.

From Salon

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.

From Science Daily