n.
A sweet colorless crystalline solid, C3H6O3, that is an intermediate compound in carbohydrate metabolism.
[GLYCER(IN) + ALDEHYDE.]
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.