n.
A colorless crystalline compound, C2H4O3, found in sugar beets, cane sugar, and unripe grapes that is used in leather dyeing and tanning and in pharmaceuticals, pesticides, adhesives, and plasticizers.
The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.