Lumen
Lumen stands for:
- Lumen (unit), the photometric SI unit of luminous flux
- The inner cross-section of pipes or tubes or the inside width (inner diameter ) of a cannula or a catheter,
- Lumen ( biological ), the interior of hollow organs in the anatomy
- (141 ) lumens, the asteroid with the number 141
- Lumen (band), Russian rock band
- Lumen Gentium, one of the four from the Vatican Second Council announced conciliar constitutions
- The third part of the trilogy Lycidas (novel) by Christoph Marzi
- Disambiguation