Sodium-hydrosulfite
noun, Chemistry.
1.
a white, crystalline, water-soluble powder, Na 2 S 2 O 4 , used as a reducing agent, especially in dyeing, and as a bleach.
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- Sodium-hypochlorite
noun, Chemistry. 1. a pale-green, crystalline compound, NaOCl, unstable in air, soluble in cold water, decomposes in hot water: used as a bleaching agent for paper and textiles, in water purification, in household use, and as a fungicide. sodium hypochlorite n. An unstable salt usually stored in solution and used as a fungicide and an […]
- Sodium-hyposulfite
noun, Chemistry. 1. sodium thiosulfate.
- Sodium hyposulphite
noun 1. another name (not in technical usage) for sodium thiosulphate
- Sodium-iodide
noun, Chemistry. 1. a colorless or white, crystalline, deliquescent, water-soluble solid, NaI, used chiefly in the manufacture of photographic emulsions, in organic synthesis, and as a disinfectant in veterinary medicine.
- Sodium-lamp
noun, Electricity. 1. sodium-vapor lamp. sodium-vapor lamp [soh-dee-uh m-vey-per] /ˈsoʊ di əmˌveɪ pər/ noun, Electricity. 1. an electric lamp in which sodium vapor is activated by current passing between two electrodes, producing a yellow, glareless light: used on streets and highways. noun 1. another name for sodium-vapour lamp