citric acid

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noun

a white, crystalline, water-soluble powder, C6H8O7⋅H2O, a tribasic acid having a strong acidic taste, an intermediate in the metabolism of carbohydrates occurring in many fruits, especially limes and lemons, obtained chiefly by fermentation of crude sugar or corn sugar: used chiefly in the flavoring of beverages, confections, and pharmaceuticals.

Nearby words

  1. citole,
  2. citral,
  3. citrate,
  4. citreous,
  5. citric,
  6. citric acid cycle,
  7. citriculture,
  8. citrin,
  9. citrine,
  10. citron

Origin of citric acid

First recorded in 1805–15

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for citric acid

  • His citric-acid moods were forgotten, his harsh tempers put aside.

    Satan Sanderson|Hallie Erminie Rives


British Dictionary definitions for citric acid

citric acid

noun

a water-soluble weak tribasic acid found in many fruits, esp citrus fruits, and used in pharmaceuticals and as a flavouring (E330). It is extracted from citrus fruits or made by fermenting molasses and is an intermediate in carbohydrate metabolism. Formula: CH 2 (COOH)C(OH)(COOH)CH 2 COOH
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medicine definitions for citric acid

citric acid

[sĭtrĭk]

n.

A colorless translucent crystalline acid principally derived by fermentation of carbohydrates; an intermediate in metabolism.

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Science definitions for citric acid

citric acid

[sĭtrĭk]

A white, odorless acid that has a sour taste and occurs widely in plants, especially in citrus fruit, and is formed during the Krebs cycle. It is used in medicine and as a flavoring. Ions of citric acid are a by-product of the metabolism of carbohydrates during the Krebs cycle.Chemical formula: C6H8O7.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.