aspartame

aspar·tame
A1S1P3A1R1T1A1M3E1
UK/əˈspɑːteɪm/Canada, US/ˈæspɚˌteɪm/

noun

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

Similar
E951 when used as a sweetener
Less commonScrabble 13

Meanings

nounaspartame (usually uncountable, plural aspartames)

plural aspartames

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

    In powdered form, aspartame is mixed with lactose, so a 1-gram packet contains 4 calories.

    2008, Frances Sienkiewicz Sizer, Eleanor Noss Whitney, Nutrition: Concepts and Controversies, volume 10, page 143
    4 more examples

    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.

    2001, C. Keith Conners, Feeding the Brain: How Foods Affect Children, page 38

    Caramel colors and aspartame Phosphoric acid, potassium Natural flavors, of course caffeine And now I'm jonesin' for MSG

    2006, J. G. Thirlwell, “Sieve”, in Damp, performed by Foetus

    Aspartame, sold under the brand NutraSweet, was discovered accidentally by a scientist at Searle in 1965 who was testing new drugs for gastric ulcers and licked his fingers before picking up a piece of paper.

    2007, Nina Redman, Food Safety: A Reference Handbook, page 37

    Some examples of the sweeteners include aspartame, saccharin, sucralose and stevia. The W.H.O.’s announcement contradicts previous studies that have said these sweeteners don’t offer any health benefits but also do not cause harm.

    2023 May 15, April Rubin, “World Health Organization Warns Against Using Artificial Sweeteners”, in The New York Times, archived from the original on 28 Aug 2023

    Synonyms: E951 when used as a sweetener

Synonyms & antonyms

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

Similar
E951 when used as a sweetener

Origin

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

Full word history & related roots →

Translations

Danish aspartam
  • aspartamartificial sweetener
Dutch aspartaam
  • aspartaamartificial sweetener
Finnish aspartaami
  • aspartaamiartificial sweetener
German Aspartam
  • Aspartamartificial sweetener
Italian aspartame
  • aspartameartificial sweetener
Japanese アスパルテーム
  • アスパルテーム (asuparutēmu)artificial sweetener
Polish aspartam
  • aspartamartificial sweetener
Portuguese aspartame
  • aspartameartificial sweetener
Spanish aspartamo
  • aspartamoartificial sweetener
Swedish aspartam
  • aspartamartificial sweetener
Turkish aspartam
  • aspartamartificial sweetener
Cite this entry
APA

aspartame. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/aspartame

MLA

“aspartame.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/aspartame. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “aspartame,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/aspartame.

Source: aspartame on Wiktionary, CC BY-SA 4.0.