citric acid

noun (1)
cit·​ric acid | \ ˈsi-trik- How to pronounce citric acid (audio) \

Definition of citric acid

 (Entry 1 of 2)

: 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

citric acid cycle

noun (2)

Definition of citric acid cycle (Entry 2 of 2)

Examples of citric acid in a Sentence

Recent Examples on the Web: Noun The products are offered as liquids made of 28 percent sodium chlorite in distilled water, and are meant to be mixed with citric acid, like lemon or lime juice, before drinking. Rachel Desantis, PEOPLE.com, "FDA Warns 'Miracle' Treatments for Autism and Cancer Are 'the Same as Drinking Bleach'," 14 Aug. 2019 Repeat with ½ cup cornstarch, 1/2 cup Epsom salt and ½ cup citric acid. Kris Coronado, Washington Post, "’Tis the season for homemade gifts. Try making bath bombs.," 26 Nov. 2019 Oily skin mask Mint contains pore-clearing salicylic acid, while the vitamin C and citric acid in the fruits help brighten and exfoliate skin. Lindy Segal, Harper's BAZAAR, "Natural DIY Face Masks for Every Skin Type and Concern," 7 Nov. 2019 Well, put simply, while lemons contain citric acid, which can aid in killing off acne-causing bacteria, they're also considered one of the most common irritating ingredients by dermatologists. Kaleigh Fasanella, Teen Vogue, "Bella Thorne Shared How She Treats Acne Scars," 29 Aug. 2019 Adding lemon or lime to your water is a great way to get the extra citric acid. Marcos Del Rosario-santiago, baltimoresun.com, "Doctors say summer is kidney-stone season. Here’s what you should know.," 11 July 2019 Product directions instruct consumers to mix the sodium chlorite solution with citric acid—such as lemon or lime juice—or another acid before drinking. Beth Mole, Ars Technica, "People are still drinking bleach—and vomiting and pooping their guts out," 14 Aug. 2019 The most common solution consists of copper chloride, citric acid (or glacial acetic acid), and hydrogen peroxide mixed with distilled water. Jennifer Ouellette, Ars Technica, "Scientists unlock the chemical secrets of a 19th-century photography technique," 6 Nov. 2019 Well, put simply, while lemons contain citric acid, which can aid in killing off acne-causing bacteria, they're also considered one of the most common irritating ingredients by dermatologists. Kaleigh Fasanella, Teen Vogue, "Bella Thorne Shared How She Treats Acne Scars," 29 Aug. 2019

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.

See More

First Known Use of citric acid

Noun (1)

1790, in the meaning defined above

Noun (2)

1937, in the meaning defined above

History and Etymology for citric acid

Noun (1)

International Scientific Vocabulary

Keep scrolling for more

Learn More about citric acid

Time Traveler for citric acid

Time Traveler

The first known use of citric acid was in 1790

See more words from the same year

Statistics for citric acid

Last Updated

1 Feb 2020

Cite this Entry

“Citric acid.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/citric. Accessed 19 Feb. 2020.

Keep scrolling for more

More Definitions for citric acid

citric acid

noun
How to pronounce citric acid cycle (audio)

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

noun
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

More from Merriam-Webster on citric acid

Britannica.com: Encyclopedia article about citric acid

Comments on citric acid

What made you want to look up citric acid? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

See Definitions and Examples »

Get Word of the Day daily email!

Test Your Vocabulary

More Confusing Words—Quiz

  • cats on impossible timber
  • The magician ______ moved the selected card to the top of the deck.
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Citation

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!