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malic acid

noun Chemistry.
  1. a colorless, crystalline, water-soluble solid, C4H6O5, occurring in apples and other fruits and as an intermediate in animal metabolism.
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Origin of malic acid

First recorded in 1790–1800
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for malic acid

malic acid

noun
  1. a colourless crystalline compound occurring in apples and other fruits. Formula: HOOCCH 2 CH(OH)COOH
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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

malic acid in Medicine

malic acid

(mălĭk, mālĭk)
n.
  1. 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.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

malic acid in Science

malic acid

[mălĭk, mālĭk]
  1. 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.
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.