English dictionary
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English noun: lumen | |||
| 1. | lumen (quantity) a unit of luminous flux equal to the amount of light given out through a solid angle of 1 steradian by a point source of 1 candela intensity radiating uniformly in all directions | ||
| Synonyms | lm | ||
| Broader (hypernym) | luminous flux unit | ||
| 2. | lumen (body) a cavity or passage in a tubular organ | ||
| Samples | The lumen of the intestine. | ||
| Broader (hypernym) | bodily cavity, cavity, cavum | ||
Based on WordNet 3.0 copyright © Princeton University.
Web design: Orcapia v/Per Bang. English edition: .
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Web design: Orcapia v/Per Bang. English edition: .
2025 onlineordbog.dk