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

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.

From Science Daily

Once inside, prosecutors allege Love beat the boy with the wood and poured hydrogen peroxide on the wounds.

From Los Angeles Times

Moreover, this switch causes increased hydrogen peroxide levels which, in turn, cause further genetic damage and contributes to cancer progression.

From Science Daily

Tiny amounts of hydrogen peroxide are needed to trigger this reaction in the intestine.

From Science Daily

Ovation used hydrogen peroxide, rather than distilled water, during the incubation process and relied on “inexperienced, cheap, unqualified, and untrained employees to cut corners and maximize profits,” the suit says.

From Los Angeles Times