gigajoule

G2I1G2A1J8O1U1L1E1

noun

An SI unit of energy equal to 10⁹ joules. Symbol: GJ

OriginEnglish joule ← Ancient Greek γίγας (gígas) →
Scrabble 18
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Meanings

noungigajoule (plural gigajoules)

plural gigajoules · alternative giga-joule

  1. metrologyAn SI unit of energy equal to 10⁹ joules. Symbol: GJ

Origin

  1. Ancient GreekΓίγας (Gígas)
  2. Ancient Greekγίγας (gígas)
  3. Englishgiga-
  4. Englishjoule
  5. Englishgigajoule

From giga- + joule.

Full word history & related roots →

Translations

Czech gigajoule
  • gigajouleone thousand million joules
Swedish gigajoule
  • gigajouleone thousand million joules

Rhymes & wordplay

Rhymes with gigajoule

schoolrulecoolpoolfueljewelboolcruelstoolPoolemuleemulespoolKabulThuledroolyuletulleEwelljoulebuhlshulrefueluncool
All rhymes →
Cite this entry
APA

gigajoule. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/gigajoule

MLA

“gigajoule.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/gigajoule. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “gigajoule,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/gigajoule.

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