n.
A nonessential amino acid, C4H7NO4, found especially in young sugar cane and sugar-beet molasses.
[From ASPARAGUS (from its being obtained from an amino acid found in asparagus).]
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.