potash
/ˈpɑtæʃ/
noun
- A type of salt containing potassium, used mainly as a fertilizer to help plants grow.
- Potash is one of the three main ingredients in most commercial fertilizers.
- Farmers spread potash on their fields to improve crop yields.
- The soil was low in potassium, so the gardener added potash.
- Any of several potassium compounds, especially potassium carbonate, used in making soap, glass, and other products.
- In the past, potash was made by burning wood and collecting the ashes.
- The factory uses potash to produce high-quality glass.
- Soap makers often mix potash with fats to create soft soap.