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disulfuric

American  
[dahy-suhl-fyoor-ik] / ˌdaɪ sʌlˈfjʊər ɪk /
Or disulphuric

adjective

Chemistry.
  1. pyrosulfuric.


Etymology

Origin of disulfuric

First recorded in 1870–75; di- 1 + sulfuric

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