Prussian blue

noun Prus·sian blue \ ˈprə-shən- \

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

Origin and Etymology of prussian blue

Prussia, Germany


Medical Dictionary

Prussian blue

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

medical 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

Seen and Heard

What made you want to look up Prussian blue? Please tell us where you read or heard it (including the quote, if possible).

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

WORD OF THE DAY

to emit the high shrill tone of bagpipes

Get Word of the Day daily email!

Test Your Vocabulary

Words for Summer: A Quiz

  • a-closeup-of-a-sunflower
  • Which of the following words means “of or relating to summer”?
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!