aspartame \aspartame\ n.
1. an artificial sweetener containing an aspartic acid
peptide, ({C14H18N2O5}); it is 160 times sweeter than
sucrose (cane sugar) and is used as a calorie-free
sweetener. Chemically it is
N-L-[alpha]-aspartyl-L-phenylalanine-1-methyl ester. It is
sold also under the trade name {Equal}.
[WordNet 1.5]