potassium
noun
po·tas·si·um
pə-ˈta-sē-əm 
often attributive
: a silver-white soft light low-melting monovalent metallic element of the alkali metal group that occurs abundantly in nature especially combined in minerals see Chemical Elements Table
Examples of potassium in a Sentence
Recent Examples on the Web
People with kidney disease, in particular, should follow their healthcare provider's advice, as their bodies may not regulate potassium properly, leading to dangerously high levels (hyperkalemia).15
Some medications and supplements can also raise potassium levels.
—
Angela Ryan Lee, Verywell Health, 1 Aug. 2025
Spuds provide basic nutrients including carbohydrates, dietary fiber (found in their skin), and vitamins and minerals like potassium, magnesium, and iron.
—Laura Baisas, Popular Science, 31 July 2025
Of these, some are poorly absorbed (sucralose), others are metabolized quickly (aspartame), and some are excreted in urine (acesulfame potassium, or ace-k), which may influence metabolic pathways differently.
—New Atlas, 29 July 2025
Otherwise, the low-calorie fruit—about 50 calories per cup—is packed with vitamins A, B6 and C, and potassium.
—Liz O'Connell, MSNBC Newsweek, 28 July 2025
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Angela Ryan Lee, Verywell Health, 1 Aug. 2025
Spuds provide basic nutrients including carbohydrates, dietary fiber (found in their skin), and vitamins and minerals like potassium, magnesium, and iron.
—Laura Baisas, Popular Science, 31 July 2025
Of these, some are poorly absorbed (sucralose), others are metabolized quickly (aspartame), and some are excreted in urine (acesulfame potassium, or ace-k), which may influence metabolic pathways differently.
—New Atlas, 29 July 2025
Otherwise, the low-calorie fruit—about 50 calories per cup—is packed with vitamins A, B6 and C, and potassium.
—Liz O'Connell, MSNBC Newsweek, 28 July 2025
See All Example Sentences for potassium
Cite this Entry
“Potassium.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/potassium. Accessed 6 Aug. 2025.
Copy CitationKids Definition
potassium
noun
po·tas·si·um
pə-ˈtas-ē-əm
: a silver-white soft light metallic element that has a low melting point and occurs abundantly in nature especially combined in minerals see element
Medical Definition
potassium
noun
po·tas·si·um
pə-ˈtas-ē-əm
: a silver-white soft light low-melting monovalent metallic element of the alkali metal group that occurs abundantly in nature especially combined in minerals
—symbol K
see Chemical Elements Table
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