[Prus.sian blue] n [Prussia, Germany] (1724) 1: any of numerous blue iron pigments formerly regarded as ferric ferrocyanide
2: a dark blue crystalline hydrated ferric ferrocyanide used as a test for ferric iron
3: a greenish blue
[Prus.sian blue] n [Prussia, Germany] (1724) 1: any of numerous blue iron pigments formerly regarded as ferric ferrocyanide
2: a dark blue crystalline hydrated ferric ferrocyanide used as a test for ferric iron
3: a greenish blue
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012