potassium

noun

po·​tas·​si·​um pə-ˈta-sē-əm How to pronounce potassium (audio)
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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Enhance Soil Fertility Rely on the soil sample analysis to determine the levels of phosphorus, potassium, calcium, magnesium, zinc, manganese, and boron in your soil. Mary Marlowe Leverette, Southern Living, 10 Sep. 2025 Nitricity uses almond shells, which are rich in nutrients such as potassium. Bloomberg, Mercury News, 10 Sep. 2025 Clear protein contains slightly more protein, while whey protein contains more calcium and potassium. Mira Miller, Verywell Health, 10 Sep. 2025 The research, presented at a major heart conference in Madrid last month and published in The New England Journal of Medicine, found that people who boosted their potassium levels were less likely to be hospitalized with heart rhythm issues or heart failure or to die from related complications. Angelica Stabile, FOXNews.com, 9 Sep. 2025 See All Example Sentences for potassium

Word History

Etymology

New Latin, from potassa potash, from English potash

First Known Use

circa 1807, in the meaning defined above

Time Traveler
The first known use of potassium was circa 1807

Cite this Entry

“Potassium.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/potassium. Accessed 13 Sep. 2025.

Kids Definition

potassium

noun
po·​tas·​si·​um pə-ˈtas-ē-əm How to pronounce potassium (audio)
: 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 How to pronounce potassium (audio)
: 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

More from Merriam-Webster on potassium

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