Lumen
From Wikipedia, the free encyclopedia
Lumen can mean:
- Lumen (unit), the SI unit of luminous flux
- Lumen (anatomy), the cavity or channel within a tubular structure
- Thylakoid lumen, the inner membrane space of the chloroplast
- 141 Lumen, an asteroid discovered by the French astronomer Paul Henry in 1875
- Lumen (band), Russian rock/metal band