Prussian blue
noun
a moderate to deep greenish blue.
one of the iron blues, a dark-blue, crystalline, water-insoluble pigment, Fe4[Fe(CN)6]3, produced by reacting ferrocyanic acid or a ferrocyanide with a ferric compound: used in painting, fabric printing, and laundry bluing.
Origin of Prussian blue
1715–25; translation of French
bleu de Prusse, so called because it was discovered and first reported in Berlin, capital of Prussia
Example sentences from the Web for prussian blue
"Nothing whatever to do with the Army," he snapped, and a Prussian-blue opponent was smacked off into an arid and hoopless waste.
Punch, Volume 153, July 11, 1917 |VariousA variety of shades, of great beauty, and considerable permanence, may also be given by the Prussian-blue process.
Indigo is not discharged by sodium hydroxid, while Prussian-blue is.
Detection of the Common Food Adulterants |Edwin M. Bruce
British Dictionary definitions for prussian blue
Prussian blue
noun
any of a number of blue pigments containing ferrocyanide or ferricyanide complexes
- the blue or deep greenish-blue colour of this pigment
- (as adjective)a Prussian-blue carpet
Medical definitions for prussian blue
Prussian blue
[ prŭsh′ən ]
n.
Berlin blue