millijoule

M3I1L1L1I1J8O1U1L1E1

noun

One thousandth (10⁻³) of a joule. Symbol: mJ.

OriginEnglish joule ← French milli- ← Latin mīlle →
Scrabble 19
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Meanings

nounmillijoule (plural millijoules)

plural millijoules · alternative milli-joule

  1. One thousandth (10⁻³) of a joule. Symbol: mJ.

Origin

  1. Proto-Indo-European*sem-
  2. Proto-Indo-European*sm̥-
  3. Proto-Indo-European*smih₂
  4. Proto-Indo-European*ǵʰes-
  5. Proto-Indo-European*ǵʰéslom
  6. Proto-Indo-European*ǵʰéslih₂
  7. Proto-Indo-European*smih₂ǵʰéslih₂
  8. Proto-Italic*smīɣeslī
  9. Latinmīlle
  10. Frenchmilli-
  11. Englishmilli-
  12. Englishjoule
  13. Englishmillijoule

From milli- + joule.

Full word history & related roots →
Cite this entry
APA

millijoule. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/millijoule

MLA

“millijoule.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/millijoule. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “millijoule,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/millijoule.

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