acesulfame-K
noun
ace·sul·fame-K
ˈā-sē-ˌsəl-ˌfām-ˈkā 
: a white crystalline powder C4H4KNO4S that is a cyclic organic potassium salt, has a sweetness much more intense than sucrose, and is used as a noncaloric sweetener in foods and beverages
called also acesulfame potassium
Examples of acesulfame-K in a Sentence
Recent Examples on the Web
When looking at individual sweeteners, consuming acesulfame-K, aspartame, erythritol, saccharin, sorbitol and xylitol was associated with a faster decline in overall cognition, particularly in memory.
—
Hannah Millington, MSNBC Newsweek, 3 Sep. 2025
The study only investigated the impact of sucralose and did not research other popular artificials sweeteners such as aspartame, acesulfame-K and sodium saccharin.
—Sandee Lamotte, CNN Money, 29 Mar. 2025
Acesulfame potassium : Also called acesulfame-K or Ace-K, acesulfame potassium is a combination of an organic acid and potassium.
—Anna Giorgi, Verywell Health, 8 Aug. 2024
The French study followed more than 100,000 adults and found that those who consumed larger amounts of artificial sweeteners, particularly aspartame and acesulfame-K, had a slightly higher cancer risk.
—Laura Reiley, Anchorage Daily News, 14 July 2023
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Hannah Millington, MSNBC Newsweek, 3 Sep. 2025
The study only investigated the impact of sucralose and did not research other popular artificials sweeteners such as aspartame, acesulfame-K and sodium saccharin.
—Sandee Lamotte, CNN Money, 29 Mar. 2025
Acesulfame potassium : Also called acesulfame-K or Ace-K, acesulfame potassium is a combination of an organic acid and potassium.
—Anna Giorgi, Verywell Health, 8 Aug. 2024
The French study followed more than 100,000 adults and found that those who consumed larger amounts of artificial sweeteners, particularly aspartame and acesulfame-K, had a slightly higher cancer risk.
—Laura Reiley, Anchorage Daily News, 14 July 2023
Cite this Entry
“Acesulfame-K.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/acesulfame-K. Accessed 9 Sep. 2025.
Copy CitationMedical Definition
acesulfame-K
noun
ace·sul·fame-K
ˈā-sē-ˌsəl-ˌfām-ˈkā
: a white crystalline powder C4H4KNO4S that is a cyclic organic potassium salt, has a sweetness much more intense than sucrose, and is used as a noncaloric sweetener in foods and beverages
called also acesulfame potassium
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