citric acid

cit·​ric acid | \ ˈsi-trik- \

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

Total Time 30 minutes Makes 1 drink Make the citric syrup: In a medium saucepan over high heat, combine 2 cups hot water, 2 cups sugar and 5 teaspoons citric acid. Jonah Miller, WSJ, "Throw a Summer Party the Effortless Spanish Way," 6 July 2018 Warmer water will speed reaction time, since molecules move faster, creating more opportunities for the products of sodium bicarbonate and citric acid to react with water. Renee Morad, Scientific American, "Build the Best Alka-Rocket Ever—with Science," 7 Sep. 2017 First, the hydrangea secretes still more acid into the soil — in the form of citric acid, which binds to the aluminum to form aluminum citrate. Tom Avril,, "What makes hydrangeas blue or pink? Playing defense," 26 June 2018 And her homemade seasoning mixes often include spices, dehydrated herbs, sugar for sweetness and a pinch of citric acid for acidity without moisture. Melissa Clark, New York Times, "The Secret to Perfect Popcorn Is Already in Your Cupboard," 22 June 2018 Apply Vitamin C Vitamin C is an effective hair-lightening agent thanks to its citric acid. Kristi Kellogg, Teen Vogue, "How To Lighten Hair Naturally: 7 Tips for Lighter Hair," 19 June 2018 What's in it: Water, organic agave, xanthan gum, organic stevia, citric acid, monkfruit. Molly Kimball,, "Guide to plant-based sweeteners, such as Stevia, Truvia," 8 May 2018 Start with a shot of El Tesoro Blanco tequila and chase it with a Verde Sangrita, a mix of tomatillo, cucumber, lemon, citric acid and mint. Shelbie Lynn Bostedt, RedEye Chicago, "Drink your way to health with these 'nutritious' cocktails," 8 June 2017 Instead, the Mondellas used a secret recipe involving sugar, citric acid, red coloring, and a curing process that never subjected the fruit to hot water. Junot Díaz, The New Yorker, "The Maraschino Mogul’s Secret Life," 17 Apr. 2018

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

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The first known use of citric acid was in 1790

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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- \

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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