potassium
A soft, waxy, silvery reactive metal that is never found unbound in nature; an element with atomic number 19 and atomic weight of 39.0983.
Example
“We all need potassium, and green vegetables are a good source.”
Other meanings
An atom of this element.
“This reaction substitutes a potassium for a sodium.”
A kind of
- metallic element
Where this comes from
This definition is adapted from “potassium” on Wiktionary, by its contributors; related-word lists use Open English WordNet (CC BY 4.0, based on Princeton WordNet), published under CC BY-SA 4.0. This page is published under the same licence.