Definitions for "aspartame"
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-a-aspartyl-L-phenylalanine-1-methyl ester. It is sold also under the trade name Equal.
A man-made sweetener that people use in place of sugar because it has very few calories.
An artificial sweetener,C14H18N2O5, formed from aspartic acid.