Prussian blue

noun
Prus·​sian blue | \ ˈprə-shən- How to pronounce Prussian blue (audio) \

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

First Known Use of Prussian blue

1724, in the meaning defined at sense 1

History and Etymology for Prussian blue

Prussia, Germany

Keep scrolling for more

Learn More About Prussian blue

Time Traveler for Prussian blue

Time Traveler

The first known use of Prussian blue was in 1724

See more words from the same year

Dictionary Entries Near Prussian blue

Prussia

Prussian blue

Prussian brown

See More Nearby Entries 

Statistics for Prussian blue

Cite this Entry

“Prussian blue.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Prussian%20blue. Accessed 18 Oct. 2021.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

Keep scrolling for more

More Definitions for Prussian blue

Prussian blue

noun
Prus·​sian blue | \ ˈprəsh-ən-ˈblü How to pronounce Prussian blue (audio) \

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

WORD OF THE DAY

Test Your Vocabulary

Difficult Spelling Words Quiz

  • alphabet pasta spelling help
  • Which is the correct spelling?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

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!