ferrocyanide

noun

fer·ro·cy·a·nide | \ ˌfer-ō-ˈsī-ə-ˌnīd

Definition of ferrocyanide

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 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 example sentences are selected automatically from various online news sources to reflect current usage of the word 'ferrocyanide.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.