# firebrick

> English word · Noun

## Definitions
1. a brick capable of withstanding high temperatures without deforming.
2. The X11 color name of RGB hexadecimal value #B22222.

## Etymology
From fire + brick.

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