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[puh-rok-see-as-id] /pəˌrɒk siˈæs ɪd/
noun, Chemistry
an acid derived from hydrogen peroxide and containing the –O–O– group, as peroxysulfuric acid, H 2 S 2 O 8 .
1960-65; peroxy- + acid Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Encyclopedia Article for peroxy acid


any of a class of chemical compounds in which the atomic group OOH replaces the OH group of an oxy acid (a compound in which a hydrogen atom is attached to an oxygen atom by a covalent bond that is easily broken, producing an anion and a hydrogen ion). Examples of peroxy acids are peroxyacetic acid (CH3COOOH, related to acetic acid, CH3COOH) and peroxysulfuric acid (HOSO2OOH, or H2SO5, analogous to sulfuric acid, HOSO2OH, or H2SO4).

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Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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