1. Prussian red - Noun
2. Prussian red - Adjective
(chemistry) Potassium ferricyanide, K3[Fe(CN)6], a highly poisonous ferric crystal salt of potassium cyanide used as a pigment.
The colour of this compound: a hue of semi-dark brownish red
Prussian red (comparative more Prussian red, superlative most Prussian red)
Of a brownish hue of red colour.
Prussian red: