firebrick

F4I1R1E1B3R1I1C3K5

noun

A brick capable of withstanding high temperatures without deforming.

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Meanings

nounfirebrick (plural firebricks)

plural firebricks

  1. A brick capable of withstanding high temperatures without deforming.

    Eastleigh Locomotive Works: Layout and functions of shops [...] Brick Shop: Manufacture of firebricks.

    1961 March, C. P. Boocock, “The organisation of Eastleigh Locomotive Works”, in Trains Illustrated, page 162
  2. computerThe X11 color name of RGB hexadecimal value #B22222.

Origin

From fire + brick.

Full word history & related roots →

Translations

Bulgarian огнеупорна тухла
  • огнеупорна тухла (ogneuporna tuhla)a brick capable of withstanding high temperatures
Finnish tulenkestävä tiili, tulitiili
  • tulenkestävä tiilia brick capable of withstanding high temperatures
  • tulitiilia brick capable of withstanding high temperatures
  • arinatiilia brick capable of withstanding high temperatures
French brique réfractaire
  • brique réfractairea brick capable of withstanding high temperatures
Greek πυρότουβλο
  • πυρότουβλο (pyrótouvlo)a brick capable of withstanding high temperatures
Indonesian bata api
  • bata apia brick capable of withstanding high temperatures
Polish cegła ogniotrwała
  • cegła ogniotrwałaa brick capable of withstanding high temperatures
Spanish ladrillo refractario
  • ladrillo refractarioa brick capable of withstanding high temperatures
Cite this entry
APA

firebrick. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/firebrick

MLA

“firebrick.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/firebrick. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “firebrick,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/firebrick.

Source: firebrick on Wiktionary, CC BY-SA 4.0.