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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The Cassini spacecraft, which orbited Saturn from 2004 to 2017, conducted chemical analyses of the plumes and detected sodium carbonate in them as well. Jeffrey Kluger, TIME, 29 Jan. 2025 Bright deposits on the dwarf planet Ceres, the largest body in the asteroid belt, contain sodium carbonate. Ars Technica, 30 Jan. 2025 The first compound the team discovered in the Bennu sample was sodium carbonate, which had never been observed before in any other asteroid or meteorite. Tom Hawking, Popular Science, 29 Jan. 2025 The Nature study points out that the dwarf planet Ceres and Saturn’s icy moon Enceladus have also shown evidence of sodium carbonate brines in recent years. Ella Jeffries, Smithsonian Magazine, 29 Jan. 2025 See All Example Sentences for sodium carbonate

Word History

First Known Use

1868, in the meaning defined above

Time Traveler
The first known use of sodium carbonate was in 1868

Cite this Entry

“Sodium carbonate.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sodium%20carbonate. Accessed 27 Feb. 2025.

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

More from Merriam-Webster on sodium carbonate

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!