millijoule.
One thousandth (10⁻³) of a joule. Symbol: mJ.
Meaning & usage
One thousandth (10⁻³) of a joule. Symbol: mJ.
Where this word comes from
Etymology tree Proto-Indo-European *sem- Proto-Indo-European *sm̥- Proto-Indo-European *-ih₂ Proto-Indo-European *smih₂ Proto-Indo-European *ǵʰes- Proto-Indo-European *-lom Proto-Indo-European *ǵʰéslom Proto-Indo-European *-ih₂ Proto-Indo-European *ǵʰéslih₂ Proto-Indo-European *smih₂ǵʰéslih₂ Proto-Italic *smīɣeslī Latin mīlleder. French milli- English milli- English joule English millijoule From milli- + joule.
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.