Skip to definition.
Get the FREE one-click dictionary software for Windows or the iPhone/iPad and Android apps


Noun: potash alum
  1. A white crystalline double sulphate of aluminium: the potassium double sulphate of aluminium
    - alum, potassium alum

Type of: Al, aluminium [Brit, Cdn], aluminum [N. Amer], atomic number 13, double salt

Encyclopedia: Potash alum