lumen
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lumen
- /ˈluːmən/ UK
- /ˈlumən/ US
Rhymes with -uːmən
Where it comes from
Borrowed from Latin lūmen (“light, an opening”). Use as a unit was first adopted by French physicist André Blondel in 1894.
noun lumens · lumina
- In the International System of Units, the derived unit of luminous flux; the light that is emitted in a solid angle of one steradian from a source of one candela. Symbol: lm.
- The cavity or channel within a tube or tubular organ.
- The cavity bounded by a plant cell wall.
- The bore of a tube such as a hollow needle or catheter.
Thesaurus
Closest in meaning: lm, light, sunlight, spotlight, daylight, luminous, bright, cavity, basis, ansi, standard, view, ett, naturale, space, passage
Translations
Every language
noun SI-unit for luminous flux
| 한국어 | 루멘 rumen |
|---|---|
| 日本語 | ルーメン rūmen |
| 中文 | 流明 liúmíng |
| Português | lúmen |
| Français | lumen |
| Deutsch | Lumen |
| Ελληνικά | λούμεν loúmen |
| Română | lumen |
| Русский | лю́мен ljúmen |
| العربية | لُومِن lūmin |
Talk about this word "lumen." Wiktionary, via Micwyn, micwyn.com/word/lumen. Accessed 6 Nov. 2026. lumen. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/lumen "lumen." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/lumen.Cite this
@misc{lumen_2026,
title = {lumen},
howpublished = {Wiktionary, via Micwyn},
year = {2026},
url = {https://micwyn.com/word/lumen},
urldate = {2026-11-06}
}
