Standard Lemma guide

kilojoule

noun · 1 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

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  • rhymes with -uːl

1

noun

Meaning 1

An SI unit of energy equal to 103 joules. Symbol: kJ

Definition source: English Wiktionary via Wiktextract

Topics: metrology

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

From kilo- + joule.

Across languages

Translations

21 source translations are retained for this English entry.

  • Arabic: كِيلُوجُول (kīlūjūl) — an SI unit of energy
  • Chinese Mandarin: 千焦耳 (qiānjiāo'ěr) — an SI unit of energy
  • Czech: kilojoule — an SI unit of energy
  • Finnish: kilojoule — an SI unit of energy
  • French: kilojoule — an SI unit of energy
  • Galician: quilojoule — an SI unit of energy
  • Galician: quiloxulio — an SI unit of energy
  • German: Kilojoule — an SI unit of energy
  • Greek: κιλοτζάουλ (kilotzáoul) — an SI unit of energy
  • Hebrew: קילוג׳ול (kilojúl) — an SI unit of energy
  • Hungarian: kilojoule — an SI unit of energy
  • Icelandic: kílójúl — an SI unit of energy
  • Japanese: キロジュール (kirojūru) — an SI unit of energy
  • Korean: 킬로줄 (killojul) — an SI unit of energy
  • Portuguese: quilojoule — an SI unit of energy
  • Portuguese: kilojoule — an SI unit of energy
  • Russian: килоджо́уль (kilodžóulʹ) — an SI unit of energy
  • Spanish: kilojulio — an SI unit of energy
  • Spanish: quilojulio — an SI unit of energy
  • Thai: กิโลจูล — an SI unit of energy
  • Zazaki: kilojul — an SI unit of energy