sodium thiosulfate

noun, Chemistry
1.
a white, crystalline, water-soluble powder, Na 2 S 2 O 3 ⋅5H 2 O, used as a bleach and in photography as a fixing agent.
Also called hypo, hyposulfite, sodium hyposulfite.
Origin
1880-85
Examples from the web for sodium thiosulfate
  • Sodium nitrite is used in combination with sodium thiosulfate for treatment of cyanide poisoning.
sodium thiosulfate in Medicine

sodium thiosulfate n.
A translucent crystalline compound used in conjunction with sodium nitrite as an antidote in cyanide poisoning, as a fungicide in swimming pools and baths, and as a means to measure the extracellular fluid volume of the body.