Definition of POTASH

potash

Plural: potashes

Noun

  • An alkaline compound, typically potassium carbonate, used in fertilizers.
  • a potassium compound often used in agriculture and industry
  • The water-soluble part of the ash formed by burning plant material; used for making soap and glass and as a fertilizer.
  • 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.

Examples

  • permanganate of potash
  • The farmer added POTASH to the soil to improve crop yield and nutrient balance.

Origin / Etymology

From pot + ash, because the substance was originally obtained by leaching the soluble matter out of ash and then boiling the solution in a pot. Compare Dutch potas, German Pottasche.

Synonyms

caustic potash, potassium hydroxide

Scrabble Score: 11

potash: valid Scrabble (US) TWL Word
potash: valid Scrabble Word in Merriam-Webster MW Dictionary
potash: valid Scrabble Word in International Collins CSW Dictionary

Words With Friends Score: 11

potash: valid Words With Friends Word