# cast iron

> English word · Noun

## Definitions
1. A hard and brittle, but strong, alloy of iron, carbon, and silicon, formed by casting in a mould.

## Etymology
Derived from the casting of this form of iron. See wrought iron for comparison.

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