Definition of Prussian blue
1 : any of numerous blue iron pigments formerly regarded as ferric ferrocyanide
2 : a dark blue crystalline hydrated ferric ferrocyanide Fe4[Fe(CN)6]3·xH2O used as a test for ferric iron
3 : a greenish blue
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Origin and Etymology of prussian blue
Prussia, Germany
First Known Use: 1724
Medical Dictionary
Prussian blue
playMedical Definition of Prussian blue
1: any of numerous blue iron pigments formerly regarded as the ferric salt of ferrocyanide
2: a dark blue crystalline hydrated compound Fe4[Fe(CN)6]3·xH2O that is a ferrocyanide of iron and is used as a test for ferric iron—called also ferric ferrocyanide
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Britannica.com: Encyclopedia article about Prussian blue
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