malic acid

noun Chemistry.

a colorless, crystalline, water-soluble solid, C4H6O5, 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 Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for malic acid

malic acid


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

Word Origin for malic acid

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]


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.

malic acid in Science

malic acid

[mălĭk, mālĭk]

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 © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.