potash

  1. Noun.  the water-soluble part of the ash formed by burning plant material; used for making soap, glass and as a fertilizer.
  2. Noun.  (chemistry) an impure form of potassium carbonate (K2CO3) mixed with other potassium salts.
  3. Noun.  (context, chemistry) in the names of compounds of the form "... of potash", potassium (for example, "permanganate of potash" = potassium permanganate).

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This entry was last updated on RefTopia from its source on 3/20/2012.