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.
Bananas are rich in vitamins and minerals, such as potassium and vitamin C, as well as fiber and antioxidants. Merve Ceylan, Health, 25 Apr. 2025 Potatoes Potatoes are nutrient-dense, providing vitamin C, potassium, fiber, and high-quality carbohydrates.24 One large potato with the skin provides 284 calories, 8 grams of protein, 64 grams of carbohydrates, and 7 grams of fiber.24 Roast them with extra-virgin olive oil or avocado oil. Kayla Girgen, Verywell Health, 24 Apr. 2025 The most prominent candidates are potassium and phosphate, both of which increase during exercise and are associated in some studies with muscle fatigue. Alex Hutchinson, Outside Online, 24 Apr. 2025 Severe Kidney Disease Spinach is high in potassium, which can be dangerous for people with severe kidney disease. Tom Gavin, EverydayHealth.com, 23 Apr. 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 2 May. 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

Last Updated: - Updated example sentences
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