polythionaten.
/ˌpɒlɪˈθʌɪəneɪt/, U.S. /ˌpɑliˈθaɪəˌneɪt/ Chemistry.
A salt of a polythionic acid, containing an anion of the form SnO62− (where n = 2, 3, 4, etc.).
ΚΠ
1895 Jrnl. Amer. Chem. Soc. 17 102 The oxygen and sulphur dioxide being held..to form polythionates.
1921 Ann. Missouri Bot. Garden 8 244 A second white precipitate was formed which indicates the production of a polythionate.
1949 Nature 29 Oct. 759/1 The reaction between sulphite and polythionates is simply an exchange of a sulphite ion with a thiosulphate ion.
1998 L. Margulis & K. V. Schwartz Five Kingdoms (ed. 3) i. 70/2 They [sc. certain bacteria] derive energy from the oxidation of sulfur or its compounds, such as sulfide (S2−), thiosulfate (S2O32−), polythionate, and sulfite (SO32−).
This is a new entry (OED Third Edition, September 2006; most recently modified version published online March 2022).
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n.1895