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

The researchers found that the crystals, made from an iron-containing compound called heme, are set in motion by the breakdown of hydrogen peroxide into water and oxygen.

From Science Daily

The materials were then evaluated for their ability to catalyze hydrogen peroxide production.

From Science Daily

Compared with normal tissue, cancer cells tend to be more acidic and contain higher levels of hydrogen peroxide.

From Science Daily

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