🇬🇧 en de 🇩🇪

Prussian red noun

  • (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
 Preußisch Rot
Wiktionary Links