prussiate /prusˈ or prushˈi-āt/ noun (chem)

1. A cyanide
2. A ferricyanide
3. A ferrocyanide

prussˈic (also sometimes /proosˈik/) adjective

Relating to Prussian blue

Prussificāˈtion noun

Prussˈify transitive verb

To Prussianize, assimilate to Prussian ways, etc

Prussian blue or prussian blue noun

1. Ferric ferrocyanide, a colour pigment, discovered in Berlin
2. The very dark blue colour of this

prussic acid noun

Hydrocyanic acid, a deadly poison, first obtained from Prussian blue

Old Prussian

The extinct Baltic language of the former inhabitants of East and West Prussia