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Definition 2024

ルーメン

ルーメン

Japanese

Noun

ルーメン ‎(romaji rūmen)

  1. (physics) lumen (SI-unit for luminous flux)

References

  1. 1 2 2006, 大辞林 (Daijirin), Third Edition (in Japanese), Tōkyō: Sanseidō, ISBN 4-385-13905-9

Etymology

Borrowing from English lumen.[1]

Pronunciation

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