ルーメン
日本語
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ルーメン
Where it comes from
英語 lumen からの借用語
noun
- 国際単位系で光束の単位。1ルーメンは1カンデラの点光源から単位立体角（1ステラジアン）内に放射される光束。記号lm。
noun
- 反芻類の第一の胃。
In English
- lumen SI-unit for luminous flux
Talk about this word "ルーメン." Wiktionary, via Micwyn, micwyn.com/word/ja/%E3%83%AB%E3%83%BC%E3%83%A1%E3%83%B3. Accessed 7 Nov. 2026. ルーメン. (n.d.). In Wiktionary, via Micwyn. Retrieved November 7, 2026, from https://micwyn.com/word/ja/%E3%83%AB%E3%83%BC%E3%83%A1%E3%83%B3 "ルーメン." Wiktionary, via Micwyn. Accessed November 7, 2026. https://micwyn.com/word/ja/%E3%83%AB%E3%83%BC%E3%83%A1%E3%83%B3.Cite this
@misc{micwyn_2026,
title = {ルーメン},
howpublished = {Wiktionary, via Micwyn},
year = {2026},
url = {https://micwyn.com/word/ja/%E3%83%AB%E3%83%BC%E3%83%A1%E3%83%B3},
urldate = {2026-11-07}
}
