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1 definition found
 for insoluble Prussian blue
From The Collaborative International Dictionary of English v.0.48 :

  Prussian \Prus"sian\, a. [From Prussia, the country: cf. F.
     prussien.]
     Of or pertaining to Prussia. -- n. A native or inhabitant of
     Prussia.
     [1913 Webster]
  
     Prussian blue (Chem.), any one of several complex double
        cyanides of ferrous and ferric iron; specifically, a dark
        blue amorphous substance having a coppery luster, obtained
        by adding a solution of potassium ferrocyanide (yellow
        prussiate of potash) to a ferric salt. It is used in
        dyeing, in ink, etc. Called also Williamson's blue,
        insoluble Prussian blue, Berlin blue, etc.
  
     Prussian carp (Zool.) See Gibel.
  
     Prussian green. (Chem.) Same as Berlin green, under
        Berlin.
        [1913 Webster]

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