sodium carbonate

noun

: a sodium salt of carbonic acid used especially in making soaps and chemicals, in water softening, in cleaning and bleaching, and in photography: such as

a

: a hygroscopic crystalline anhydrous strongly alkaline salt Na₂CO₃

b

: the transparent crystalline hydrate Na₂CO₃·10H₂O found in nature as natron

Examples of sodium carbonate in a Sentence

Recent Examples on the Web

Baking soda water only contains significant amounts of sodium and ash or sodium carbonate. —Chelsea Rae Bourgeois, Rdn, Ld, Health, 9 Sep. 2024

And in 2022, Matthew Kanan, a chemist at Stanford University and his colleagues reported in Cell Reports Physical Science that potassium and sodium carbonate catalysts efficiently convert CO2 and hydrogen gas to CO, a reaction more directly related to the new molybdenum catalyst. —Robert F. Service, science.org, 2 May 2024

Ancient Egyptians made the deep and bright blue color with sand, sodium carbonate, or ash and mixed it with copper minerals or pieces of bronze. —Elizabeth Gamillo, Discover Magazine, 30 Nov. 2023

And last year a demonstration plant in San Antonio began capturing CO2 from a cement plant and converting it into minerals and chemicals, including sodium carbonate, hydrochloric acid and bleach. —IEEE Spectrum, 29 Sep. 2015

Word History

First Known Use

1868, in the meaning defined above

Kids Definition

sodium carbonate

noun

: a sodium salt used especially in making soaps and chemicals, in water softening, in cleaning and bleaching, and in photography

Medical Definition

sodium carbonate

noun

: a sodium salt of carbonic acid used especially in making soaps and chemicals, in water softening, in cleaning and bleaching, and in photography: as

a

: a hygroscopic crystalline anhydrous strongly alkaline salt Na₂CO₃

b

: washing soda