Prussian blue

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noun Prus·sian blue \ˈprə-shən-\

Definition of Prussian blue

  1. 1 :  any of numerous blue iron pigments formerly regarded as ferric ferrocyanide

  2. 2 :  a dark blue crystalline hydrated ferric ferrocyanide Fe4[Fe(CN)6]3·xH2O used as a test for ferric iron

  3. 3 :  a greenish blue

Origin and Etymology of prussian blue

Prussia, Germany


First Known Use: 1724


Medical Dictionary

Prussian blue

play
noun Prus·sian blue \ˈprəsh-ən-ˈblü\

Medical Definition of Prussian blue

  1. 1:  any of numerous blue iron pigments formerly regarded as the ferric salt of ferrocyanide

  2. 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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