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persulfuric acid

[ pur-suhl-fyoor-ik, pur- ]

noun

, Chemistry.
  1. Also called Caro's acid, permonosulfuric acid, peroxymonosulfuric acid, peroxysulfuric acid. a white, crystalline solid, H 2 SO 5 , used as an oxidizing agent for certain organic compounds.
  2. Also called peroxydisulfuric acid. a white, crystalline solid, H 2 S 2 O 8 , used in the manufacture of hydrogen peroxide.


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Word History and Origins

Origin of persulfuric acid1

First recorded in 1880–85; per- + sulfuric

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persulfatepersulphuric acid