Word Meaning

Meaning of "potash" and the crossword clue

- An oxide
- Fertiliser ingredient
- Potassium carbonate
- The hydroxide of potassium hydrate, a hard white brittle substance, KOH, having strong caustic and alkaline properties; -- hence called also caustic potash.
- The impure potassium carbonate obtained by leaching wood ashes, either as a strong solution (lye), or as a white crystalline (pearlash).