Wiktionary
bisulfite
alt. (context inorganic chemistry English) The univalent group -HSO3, or any salt containing it. n. (context inorganic chemistry English) The univalent group -HSO3, or any salt containing it.
Wikipedia
Bisulfite
Bisulfite ion ( IUPAC-recommended nomenclature: hydrogen sulfite) is the ion HSO. Salts containing the HSO ion are termed bisulfites also known as sulfite lyes. For example, sodium bisulfite is NaHSO.
Usage examples of "bisulfite".
Afterward, a second chemical, sodium bisulfite, was used to break down the gas.