citric acid

noun

cit·​ric acid ˈsi-trik- 

: a tricarboxylic acid C₆H₈O₇ occurring in cellular metabolism, obtained especially from lemon and lime juices or by fermentation of sugars, and used chiefly as a flavoring

Examples of citric acid in a Sentence

Recent Examples on the Web

While citrus can be used to whiten fabrics, it’s not recommended for dark or delicate fabrics that can be damaged or stained by the citric acid. —Karen Brewer Grossman, Southern Living, 18 Aug. 2025

The full list of ingredients is as follows–Espadín agave, organic agave nectar, glycerol, malic acid, citric acid, salt, natural flavors, natural mushroom, and glycolipids (to preserve freshness). —Jonah Flicker, Robb Report, 12 Aug. 2025

Options that may be most helpful for managing period cramps include: Magnesium citrate: This type, which combines magnesium with citric acid, may increase your pain threshold. —Lindsay Curtis, Health, 11 Aug. 2025

Ay Papi’s final product contains seven ingredients: water, pectin, tapioca syrup, sodium, citric acid and the Whitethorn Rose concentrate. —Irene Adeline Milanez, Sacbee.com, 28 July 2025

Word History

Etymology

International Scientific Vocabulary

First Known Use

1790, in the meaning defined above

Rhymes for citric acid

• antacid
• placid

Kids Definition

citric acid

noun

cit·​ric acid ˌsi-trik- 

: a pleasantly sour-tasting organic acid obtained especially from lemon and lime juices or by the chemical breakdown of sugars and used as a flavoring

Medical Definition

citric acid

noun

cit·​ric acid ˌsi-trik- 

: a sour organic acid C₆H₈O₇ occurring in cellular metabolism, obtained especially from lemon and lime juices or by fermentation of sugars, and used as a flavoring