a colorless, unstable, oily liquid, H2O2, an aqueous solution of which is used chiefly as an antiseptic and a bleaching agent.
Why Do “Flammable” And “Inflammable” Mean The Same Thing?Why are these two words so confusing? Well, flammable and inflammable both mean “able to be set on fire.” Strangely, the "in" prefix in inflammable doesn't make the word mean "not flammable," as you might think.
Origin of hydrogen peroxide
First recorded in 1870–75
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for hydrogen peroxide
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
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Medicine definitions for hydrogen peroxide
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
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Science definitions for 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.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.