citric acid

cit·​ric acid | \ ˈsi-trik- How to pronounce citric acid (audio) \

Definition of citric acid

: 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 Geller recommends reading labels and choosing cleaners or sanitizers that have safer ingredients, including citric acid and hydrogen peroxide, which serve as disinfectants. Heather Mayer Irvine, Popular Mechanics, 20 Sep. 2021 These typically include citric acid (the chemical equivalent of lemon juice), and effervescent ingredients that help stubborn deposits bubble up from the surface. Washington Post, 7 July 2021 The tank, carafe and dripper can all be washed with water, and there’s a cleaning mode that will descale the maker’s interior using citric acid water. Demetrius Simms, Robb Report, 10 Sep. 2021 Everything tastes better in glass, especially in lemonade with the citric acid and lemon concentrate. Kristine M. Kierzek, Milwaukee Journal Sentinel, 4 Aug. 2021 Her bath bombs are made using baking soda, citric acid, Epsom Salt, cream of tartar, grapeseed oil, lavender buds and lavender essential oils. oregonlive, 21 July 2021 Common AHAs are glycolic acid, lactic acid, mandelic acid, malic, tartaric and citric acid. Washington Post, 12 Apr. 2021 The hides then go into plastic tubs of borax, water and eco-friendly degreaser before they are placed in a pickle of salt and citric acid. Barry Adams, Star Tribune, 3 Apr. 2021 This night serum heals and protects the skin thanks to botanical ingredients like Kakadu Plum as well as glycerin for hydration and citric acid for brightening. Akili King, Vogue, 1 Apr. 2021

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'citric acid.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of citric acid

1790, in the meaning defined above

History and Etymology for citric acid

International Scientific Vocabulary

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Time Traveler for citric acid

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The first known use of citric acid was in 1790

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citric acid

citric acid cycle

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Last Updated

29 Sep 2021

Cite this Entry

“Citric acid.” Dictionary, Merriam-Webster, Accessed 26 Oct. 2021.

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More Definitions for citric acid

citric acid


English Language Learners Definition of citric acid

: an acid that occurs naturally in the juices of oranges, lemons, limes, etc., and that can also be made from sugar

citric acid

cit·​ric acid | \ ˌsi-trik- How to pronounce citric acid (audio) \

Medical Definition of citric acid

: 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

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