potash
Meanings
noun
- The water-soluble part of wood ash, used for making soap and glass and as a fertilizer (chemically speaking, an impure form of potassium carbonate (K₂CO₃) mixed with other potassium salts).
- Potassium. Chiefly used in the names of compounds of the form "... of potash".
- A class of potassium minerals, of similar applicability to potassium carbonate, such as being a fertilizer. (ie. potassium chloride, potassium hydroxide)
verb
- To treat with potassium.
name
- A surname.
Pronunciation
Word forms
Etymology
From pot + ash, because the substance was originally obtained by leaching ash in water and then boiling down the resulting solution in a pot. Compare Dutch potas, German Pottasche.
Related words
Derived words
Translations
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