noun
- a soft, silvery-white metallic chemical element that is essential for plant and animal life
Usage: chemistry
Examples
- Bananas are a good source of potassium.
- The doctor recommended eating foods rich in potassium to help lower blood pressure.
- Potassium is found in the first group of the periodic table.
- Many fertilizers contain potassium to help plants grow.
- Low potassium levels can cause muscle cramps.
- Salt substitutes often contain potassium chloride instead of sodium chloride.