bisulphite


noun Chemistry.

  1. a salt of sulfurous acid, containing the HSO3 group; an acid sulfite; a hydrogen sulfite, as sodium bisulfite, NaHSO3.

noun

  1. a salt or ester of sulphurous acid containing the monovalent group -HSO 3 or the ion HSO 3
  2. (modifier) consisting of or containing the group -HSO 3 or the ion HSO 3 bisulphite ion

n.

  1. The univalent inorganic acid group HSO3.
  2. A salt of sulfurous acid containing this group.

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