-
- To save this word, you'll need to log in.
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
Cherries, bananas, nuts, milk, and whole grains contain sleep-promoting nutrients like melatonin, tryptophan, potassium, and magnesium, which are also ideal for nighttime snacking.3
1.
—Jillian Kubala, Health, 4 Nov. 2024
Related Video Lisa’s Victoria’s Secret Fashion Show Look Comes Straight From the VS Archives
Pistachios are also high in vitamin E and minerals such as potassium, magnesium, and phosphorus.
—Jeanne Ballion, Vogue, 31 Oct. 2024
The Moon’s exosphere is made up of elements such as argon, helium, oxygen, and potassium.
—Jonathan O’Callaghan, Discover Magazine, 21 Oct. 2024
Proteins are released inside the nerve cell, potassium can be forced out and calcium is blocked from entering altogether, all of which slows a neuron’s ability to pass along signals.
—Blake Nelson, The Mercury News, 13 Oct. 2024
See all Example Sentences for potassium
These examples are automatically compiled from online sources to
illustrate current usage. Opinions expressed in the examples do not represent those of
Merriam-Webster or its editors.
Send us feedback
about these examples.
Word History
Etymology
New Latin, from potassa potash, from English potash
First Known Use
circa 1807, in the meaning defined above
Phrases Containing potassium
Dictionary Entries Near potassium
Cite this Entry
“Potassium.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/potassium. Accessed 16 Nov. 2024.
Kids 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
More from Merriam-Webster on potassium
Nglish: Translation of potassium for Spanish Speakers
Britannica English: Translation of potassium for Arabic Speakers
Britannica.com: Encyclopedia article about potassium
Love words? Need even more definitions?
Merriam-Webster unabridged
Share