noun Etymology: Prussia, Germany Date: 1724 any of numerous blue iron pigments formerly regarded as ferric ferrocyanide, a dark blue crystalline hydrated ferric ferrocyanide Fe 4 [Fe(CN) 6 ] 3 x H 2 O used as a test for ferric iron, a greenish blue
PRUSSIAN BLUE
Meaning of PRUSSIAN BLUE in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012