kilojoule
noun
kilojoule is a noun meaning “An SI unit of energy equal to 10³ joules. Symbol: kJ” (English Wiktionary, September 2026). It is spelled K-I-L-O-J-O-U-L-E, and it appears about once in every 65 million words in written English (wordfreq, 2021 data). The plural of kilojoule is kilojoules.
What does kilojoule mean?
noun
- 1
An SI unit of energy equal to 10³ joules. Symbol: kJ
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Forms of kilojoule
- kilojoules plural
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
How common is kilojoule?
Kilojoule appears about once in every 65 million words in written English, the 252,559th most frequent word form in the list.
Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).
Kilojoule in Spanish, French, German and Portuguese
In the sense an SI unit of energy:
| Language | Words |
|---|---|
| French | kilojoule |
| German | Kilojoule |
| Portuguese | quilojoule, kilojoule |
| Spanish | kilojulio, quilojulio |
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Translations are Wiktionary's, by sense; a linked word has its own PlainSpell page.
Where does kilojoule come from?
From kilo- + joule.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).