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
Consuming more potassium is linked to a lower risk of hypertension (high blood pressure) and stroke.7 An animal study found that carrots may lower blood cholesterol, reducing heart disease risk.8
6.
—
Julie Marks, Verywell Health, 9 July 2025
Potential Drug Interactions Taking potassium chloride with other supplements or drugs that increase blood potassium levels may cause potassium levels to become too high.
—Merve Ceylan, Health, 8 July 2025
The most abundant compounds on the list are sodium, chlorine, sodium carbonate, carbonate ions, ammonia and potassium ions.
—Keith Cooper, Space.com, 8 July 2025
All bell peppers are chock full of fiber and potassium.
—Alice Oglethorpe, Better Homes & Gardens, 8 July 2025
See All Example Sentences for potassium
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Julie Marks, Verywell Health, 9 July 2025
Potential Drug Interactions Taking potassium chloride with other supplements or drugs that increase blood potassium levels may cause potassium levels to become too high.
—Merve Ceylan, Health, 8 July 2025
The most abundant compounds on the list are sodium, chlorine, sodium carbonate, carbonate ions, ammonia and potassium ions.
—Keith Cooper, Space.com, 8 July 2025
All bell peppers are chock full of fiber and potassium.
—Alice Oglethorpe, Better Homes & Gardens, 8 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 22 Jul. 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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