# ferrocyanide

> English word · Noun

## Definitions
1. The complex ion Fe(CN)₆⁴⁻; any salt containing this ion; they are used in making blue pigments

## Etymology
From ferro- + cyanide.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/ferrocyanide