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malic acid

noun, Chemistry.
a colorless, crystalline, water-soluble solid, C 4 H 6 O 5 , occurring in apples and other fruits and as an intermediate in animal metabolism.
Origin of malic acid
First recorded in 1790-1800 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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British Dictionary definitions for malic acid

malic acid

/ˈmælɪk; ˈmeɪ-/
a colourless crystalline compound occurring in apples and other fruits. Formula: HOOCCH2CH(OH)COOH
Word Origin
C18 malic, via French malique from Latin mālum apple
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
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malic acid in Medicine

malic acid mal·ic acid (māl'ĭk, mā'lĭk)
A colorless crystalline intermediate in the Krebs cycle that occurs naturally in a variety of unripe fruit and is used as a flavoring and in the aging of wine.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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malic acid in Science
malic acid
  (māl'ĭk, mā'lĭk)   
A colorless, crystalline compound that occurs naturally in a wide variety of unripe fruits, including apples, cherries, and tomatoes, and is an intermediate product of the Krebs cycle. It is used as a flavoring and in the aging of wine. Also called malate. Chemical formula: C4H6O5.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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