[per-as-id] /pərˈæs ɪd/

noun, Chemistry.
an oxyacid, the primary element of which is in its highest possible oxidation state, as , HClO 4 , and , HMnO 4 .
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

peracid per·ac·id (pûr’ās’ĭd)


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