Definition of Prussian blue in English:

Prussian blue


  • 1A deep blue pigment used in painting and dyeing, made from or in imitation of ferric ferrocyanide.

    • ‘Blue pigments include Prussian blue (ferric ferrocyanide) and phthalocyanine blue. Titanium dioxide and zinc oxide are added to coating materials to produce a white color.’
    • ‘The pigmented tumor demonstrated widely scattered, coarse pigment that was nonreactive with Prussian blue and reactive with Fontana.’
    • ‘The chemical bonds in Prussian blue produce a unique spectrum with FTIR analysis that can be easily distinguished from all other pigments.’
    • ‘Although it looks like a base coat from a distance, the rich Prussian blue diluted with white lead was then applied around the sharp-edged figures to finish the veneers of paint and complete the composition.’
    • ‘They are small in scale and feature extensive use of gold and brilliant, rich and sparkling colors like ultramarine, Prussian blue, indigo, violet, purple, carmine and tangerine.’
    1. 1.1 The deep blue color of Prussian blue pigment.
      • ‘The Germans replaced Prussian blue with field grey (grey-green) and the Russians replaced dark green with a greyish brown.’
      • ‘In another plaque, Prussian blue pigment, meant to replicate copper corrosion, obscures much of the surface.’
      • ‘Nikolai's walls were painted a deep blue - Prussian blue, like midnight skies.’
      • ‘The models were built with consummate skill, and created a fabulous confection of boxwood, brass, bone, ebony, gold leaf and painted details in the typical naval colours of Prussian blue and Venetian red.’
      • ‘His brown hair was tousled and fell into his deep Prussian blue eyes that absorbed everything.’


Prussian blue

/ˌprəʃ(ə)n ˈblu//ˌprəSH(ə)n ˈblo͞o/