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

Too much citric acid from lemons could also increase acid reflux or cause nausea. —Sherri Gordon, Health, 1 Jan. 2025

Mulled Wine Sour Ingredients 15 ml Rye whiskey 15 ml Pedro Ximenez sherry 15 ml Madeira 15 ml sweet vermouth 20 ml orange acid (Mix 1 liter of fresh orange juice with 25 grams citric acid and 15 grams malic acid. —Boutayna Chokrane, Vogue, 29 Dec. 2024

It's also infused with citric acid to tame frizz, enhance shine, and reduce hair breakage. —Marci Robin, Allure, 21 Dec. 2024

The formula uses a strengthening complex featuring amino acids, arginine, and citric acid to revive damaged hair and prevent future breakage. —Kiana Murden, Vogue, 28 Dec. 2024

Word History

Etymology

International Scientific Vocabulary

First Known Use

1790, in the meaning defined above

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