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sodium hydroxide
noun
- a white, deliquescent, water-soluble solid, NaOH, usually in the form of lumps, sticks, chips, or pellets, that upon solution in water generates heat: used chiefly in the manufacture of other chemicals, rayon, film, soap, as a laboratory reagent, and in medicine as a caustic.
sodium hydroxide
- A white, corrosive, solid compound that absorbs water and carbon dioxide from the atmosphere and forms lye when in solution. Sodium hydroxide is toxic and strongly alkaline and is used to make chemicals and soaps and to refine petroleum. Chemical formula: NaOH.
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Word History and Origins
Origin of sodium hydroxide1
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Compare Meanings
How does sodium hydroxide compare to similar and commonly confused words? Explore the most common comparisons:
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Example Sentences
The crushed bauxite is then mixed with sodium hydroxide to extract aluminum oxide, leaving behind a highly toxic red sludge in the process.
The attack took place at the city’s water treatment plant, which purifies groundwater for drinking using filters and chemicals, including small amounts of sodium hydroxide.
Authorities estimate the hacker had access for three to five minutes, and during that time, they adjusted the level of sodium hydroxide in the water from a normal 100 parts per million all the way up to 11,100 parts per million.
The intruder changed the level of sodium hydroxide to 11,100 parts per million, a significant increase from the normal amount of 100 ppm, Pinellas County Sheriff Bob Gualtieri said in a Monday morning press conference.
A portion was gently warmed with a few drops of a strong solution of potassium cyanide and two drops of sodium hydroxide.
A portion of the water solution was heated with glucose and a few drops of sodium hydroxide.
Still, the practical use of ammonia, especially in combination with sodium hydroxide, is found to be most effective.
After being weighed, it can be dissolved in a little sodium hydroxide and poured into the bottle.
The ferrous solution, used for reducing the silver citrate, had been brought to exact neutrality with sodium hydroxide.
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