potassium

باللغة العربية: بُوتَاسِيُوم

1. 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. (uncountable) · We all need potassium, and green vegetables are a good source.
2. An atom of this element. (countable) · This reaction substitutes a potassium for a sodium.

الجمع potassiums