Prussian blue

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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.

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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

Words nearby Prussian blue

Prus., prusik, Prusiner, Prussia, Prussian, Prussian blue, Prussianism, prussianize, prussiate, prussic, prussic acid

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use Prussian blue in a sentence

There are different kinds, but I prefer the Prussian Blue above all.
The Modern Housewife or, Menagere|Alexis Soyer
For a connected view of the various compounds of cyanogen employed in the arts, see Prussian Blue.
A Dictionary of Arts, Manufactures and Mines|Andrew Ure
Blacks are either common ivory or Frankfort black; and grays are formed by mixtures of prussian blue and Spanish white.
A Dictionary of Arts, Manufactures and Mines|Andrew Ure
Mr. Savage recommends a little Indian red to be ground in with the indigo and prussian blue, to give a rich tone to the black ink.
A Dictionary of Arts, Manufactures and Mines|Andrew Ure

The precipitate from the peroxide salts of iron is a very intense prussian blue, called on the continent, Paris blue.
A Dictionary of Arts, Manufactures and Mines|Andrew Ure

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

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012