Prussian blue

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.

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[From its having been discovered by an 18th-century color-maker in Berlin (then in Prussia).]

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.

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]

Thesaurus

Noun	1.	Prussian blue - any of various blue pigments iron blue 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"

Translations

Berliner Blau