Prussian blue

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Prussian blue

n.
1. An insoluble dark blue pigment and dye, ferric ferrocyanide or one of its modifications.
2. See iron blue.
3. A moderate to strong blue or deep greenish blue.

[From its having been discovered by an 18th-century color-maker in Berlin (then in Prussia).]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Prussian blue

n
1. (Elements & Compounds) any of a number of blue pigments containing ferrocyanide or ferricyanide complexes
2. (Colours)
a. the blue or deep greenish-blue colour of this pigment
b. (as adjective): a Prussian-blue carpet.
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

Prus′sian blue′


n.
1. a moderate to deep greenish blue.
2. a dark blue, crystalline, water-insoluble ferrocyanide pigment, C18Fe7N18, used in painting, fabric printing, and laundry bluing.
[1715-25]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.Prussian blue - any of various blue pigments
pigment - dry coloring material (especially a powder to be mixed with a liquid to produce paint, etc.)
2.Prussian blue - a dark greenish-blue color
blue, blueness - blue color or pigment; resembling the color of the clear sky in the daytime; "he had eyes of bright blue"
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
Translations
Berliner Blau
References in periodicals archive ?
On February 1, the nine surviving patients were evacuated to Amman, Jordan, to receive Prussian blue (ferric hexacyanoferrate) as an antidote for thallium poisoning, which was not available in Iraq.
The active ingredient was ferric hexacyanoferrate, a compound that could be readily made.