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

The interdisciplinary team came up with 12 different potential recipes using varying percentages of silicon dioxide, copper, calcium, and sodium carbonate. —ArsTechnica, 30 June 2025

The team experimented with materials like silicon dioxide, copper, calcium, and sodium carbonate, and devised 12 distinct recipes for the pigment. —Jay Kakade june 14, New Atlas, 14 June 2025

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

Word History

First Known Use

1868, in the meaning defined above

Rhymes for sodium carbonate

• borosilicate
• decontaminate
• deoxycholate
• deteriorate
• differentiate
• diisocyanate
• dinoflagellate
• excommunicate
• incapacitate
• insubordinate
• intercorporate
• interpenetrate

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