persulfuric acid

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

nounChemistry.

Also called Caro's acid, permonosulfuric acid, peroxymonosulfuric acid, peroxysulfuric acid. a white, crystalline solid, H2SO5, used as an oxidizing agent for certain organic compounds.
Also called peroxydisulfuric acid. a white, crystalline solid, H2S2O8, used in the manufacture of hydrogen peroxide.

Origin of persulfuric acid

First recorded in 1880–85; per- + sulfuric

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