Definitions | potassium |
| noun
- a soft, waxy, silvery reactive metal that is never found unbound in nature; an element (symbol K) with an atomic number of 19 and atomic weight of 39.0983. The symbol is derived from the Latin kalium.
Etymology: Potassium derives from the word potassa (potash) with the suffix -ium.
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Full Definition of potassium
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