sodium thiosulfate
noun
: a hygroscopic crystalline salt Na2S2O3 used especially as a photographic fixing agent and a reducing or bleaching agent
called also fixer, hypo
Examples of sodium thiosulfate in a Sentence
Recent Examples on the Web
Thanks to this ingredient along with sodium thiosulfate, the shampoo is also a great option for dissolving chlorine left in hair from pool days.
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ELLE, 24 Aug. 2023
What to Look for in the Best Chlorine Shampoos
When searching for the best chlorine shampoos, look for ingredients like apple cider vinegar, ethylene diamine tetra acetic-acid (EDTA), sodium thiosulfate, charcoal, and crystallized vitamin C to effectively remove chlorine.
—Joseph Cheatham, Men's Health, 17 July 2023
About 40 cows at the Sommariva Bosco farm were successfully saved after being injected with a sodium thiosulfate antidote, Giantin previously told the AFP and the Associated Press.
—Isabella Fertel, USA TODAY, 16 June 2023
To ensure all chemicals are washed from your hair post-swim, professionals recommend keeping an eye out for shampoos with acids and compounds equipped to dissolve chlorine molecules, like vitamin C, sodium thiosulfate, or apple cider vinegar.
—Tiffany Dodson, harpersbazaar.com, 18 May 2023
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ELLE, 24 Aug. 2023
What to Look for in the Best Chlorine Shampoos
When searching for the best chlorine shampoos, look for ingredients like apple cider vinegar, ethylene diamine tetra acetic-acid (EDTA), sodium thiosulfate, charcoal, and crystallized vitamin C to effectively remove chlorine.
—Joseph Cheatham, Men's Health, 17 July 2023
About 40 cows at the Sommariva Bosco farm were successfully saved after being injected with a sodium thiosulfate antidote, Giantin previously told the AFP and the Associated Press.
—Isabella Fertel, USA TODAY, 16 June 2023
To ensure all chemicals are washed from your hair post-swim, professionals recommend keeping an eye out for shampoos with acids and compounds equipped to dissolve chlorine molecules, like vitamin C, sodium thiosulfate, or apple cider vinegar.
—Tiffany Dodson, harpersbazaar.com, 18 May 2023
Cite this Entry
“Sodium thiosulfate.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sodium%20thiosulfate. Accessed 4 Nov. 2025.
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