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persulfuric acid

[pur-suhl-fyoo r-ik, pur-] /ˈpɜr sʌlˈfyʊər ɪk, ˌpɜr-/
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.
Origin
1880-1885
1880-85; per- + sulfuric
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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