ferrocyanide

noun

fer·​ro·​cy·​a·​nide ˌfer-ō-ˈsī-ə-ˌnīd How to pronounce ferrocyanide (audio)
1
: the tetravalent anion Fe(CN)64−
2
: a compound containing the ferrocyanide anion
especially : the salt K4Fe(CN)6 used in making blue pigments (such as Prussian blue)

Examples of ferrocyanide in a Sentence

Recent Examples on the Web Bluing Liquid Bluing liquid (which contains Prussian blue, or ferric ferrocyanide, and water combined) helps keep whites sparkling white. Jessica Bennett, Better Homes & Gardens, 2 Aug. 2023 The ensuing reaction created a distinctive blue-hued iron ferrocyanide and eventually came to be called Prussian blue (or Berlin blue). Jennifer Ouellette, Ars Technica, 20 June 2022 So then, in certain kinds of lakes, ferrocyanide can accumulate over time. Quanta Magazine, 1 June 2022 Riepenhoff got the idea three years ago while studying cyanotypes, an old photo technique that involves placing objects on paper coated with iron and potassium ferrocyanide. Laura Mallonee, WIRED, 30 Aug. 2016

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'ferrocyanide.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1825, in the meaning defined at sense 1

Time Traveler
The first known use of ferrocyanide was in 1825

Dictionary Entries Near ferrocyanide

Cite this Entry

“Ferrocyanide.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ferrocyanide. Accessed 3 Mar. 2024.

Medical Definition

ferrocyanide

noun
fer·​ro·​cy·​a·​nide ˌfer-ō-ˈsī-ə-ˌnīd How to pronounce ferrocyanide (audio)
1
: the tetravalent anion Fe(CN)64−
2
: a compound containing the ferrocyanide anion
especially : the salt K4Fe(CN)6 used in making blue pigments (as Prussian blue)
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