What does "aspartame" mean?

An artificial sweetener, the methyl ester of a dipeptide formed from aspartic acid and phenylalanine, used in many processed foods and beverages.

What is a synonym for "aspartame"?

Common synonyms include: e951, e951 when used as a sweetener.

Pronounced //əˈspɑːteɪm//.

//əˈspɑːteɪm// noun

noun ·Rare ·Advanced level

Noun

1
An artificial sweetener, the methyl ester of a dipeptide formed from aspartic acid and phenylalanine, used in many processed foods and beverages. uncountable, usually
"Though reluctant to further expose him to aspartame, I had little trouble persuading Jamie's mother to carry out a double-blind trial in order to more rigorously document her son's aberrant response to aspartame."
2
an artificial sweetener made from aspartic acid; used as a calorie-free sweetener wordnet

"Aspartame is an artificial sugar."

Commercial name, from aspartic. The -ame is perhaps because aspartame is an amide. Compare aspartamine.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.