persulfuric acid

[pur-suhl-fyoo r-ik, pur-]

noun Chemistry.

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