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[per-as-id] /pərˈæs ɪd/
noun, Chemistry
an oxyacid, the primary element of which is in its highest possible oxidation state, as perchloric acid, HClO 4 , and permanganic acid, HMnO 4 .
1895-1900; per- + acid Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for peracid
  • Applications of the peracid mediated oxidation of alcohols.
British Dictionary definitions for peracid


an acid, such as perchloric acid, in which the element forming the acid radical exhibits its highest valency
(not in technical usage) an acid, such as persulphuric acid, that contains the -OOH group Recommended names peroxo acid, peroxy acid
Derived Forms
peracidity (ˌpɛrəˈsɪdɪtɪ) noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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peracid in Medicine

peracid per·ac·id (pûr'ās'ĭd)

  1. Any of various acids containing the peroxy group.

  2. An inorganic acid, such as perchloric acid, containing the largest proportion of oxygen in a series of related acids.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Encyclopedia Article for peracid

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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