Standard Lemma guide

firebrick

noun · 3 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.

  • US: Recorded audio is listed in the source snapshot.
  • CMU ARPABET: F AY1 ER0 B R IH2 K Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.

1

noun

Meaning 1

a brick capable of withstanding high temperatures without deforming.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

The X11 color name of RGB hexadecimal value #B22222.

Definition source: English Wiktionary via Wiktextract

Topics: computer, computing, engineering, mathematics, natural-sciences, physical-sciences, science, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

noun

Meaning 3

brick made of fire clay; used for lining e.g. furnaces and chimneys

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: brick

History

Etymology

From fire + brick.

Across languages

Translations

9 source translations are retained for this English entry.

  • Bulgarian: огнеупорна тухла (ogneuporna tuhla) — a brick capable of withstanding high temperatures
  • Finnish: tulenkestävä tiili — a brick capable of withstanding high temperatures
  • Finnish: tulitiili — a brick capable of withstanding high temperatures
  • Finnish: arinatiili — a brick capable of withstanding high temperatures
  • French: brique réfractaire — a brick capable of withstanding high temperatures
  • Greek: πυρότουβλο (pyrótouvlo) — a brick capable of withstanding high temperatures
  • Indonesian: bata api — a brick capable of withstanding high temperatures
  • Polish: cegła ogniotrwała — a brick capable of withstanding high temperatures
  • Spanish: ladrillo refractario — a brick capable of withstanding high temperatures