Definition of Lumen

  • 1. 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 Noun
  • 2. A cavity or passage in a tubular organ Noun

Morphology of "lumen"

  • lumina

Synonyms for word "lumen"

Semanticaly linked words with "lumen"

Hyponims for word "lumen"