sodium thiosulfate

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Related to Hyposulfite of Soda: Hyposulphite of Soda

sodium thiosulfate

n.
A white crystalline compound, Na2S2O3, often prepared as a pentahydrate, used as a photographic fixing agent, as a bleach and antichlor, as an antidote for cyanide poisoning, and as an antifungal agent. Also called hypo1, hyposulfite, sodium hyposulfite.

so′dium thiosul′fate



n.
a white, crystalline, water-soluble powder, Na2S2O3∙5H2O, used as a bleach and in photography as a fixing agent. Also called hypo, hyposulfite, sodium hyposulfite.
[1880–85]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.sodium thiosulfate - a compound used as a fixing agent in photographic developingsodium thiosulfate - a compound used as a fixing agent in photographic developing
fixing agent, fixer - a chemical compound that sets or fixes something (as a dye or a photographic image)
References in periodicals archive ?
Among the most impressive and startling portraits in this show are the images of Sir John Herschel, who had discovered how to fix prints with hyposulfite of soda, or "hypo," and coined the word photography.