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bisulfite

or bi·sul·phite

[ bahy-suhl-fahyt ]

noun

, Chemistry.
  1. a salt of sulfurous acid, containing the HSO 3 group; an acid sulfite; a hydrogen sulfite, as sodium bisulfite, NaHSO 3 .


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Word History and Origins

Origin of bisulfite1

First recorded in 1885–90; bi- 1 + sulfite

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bisulfidebisulphate