English dictionary
lumen meaning and definition
Definition and meaning of lumen at MeaningMonkey.org. lumen meaning and definition in the English Dictionary.LUMEN noun
Definition of lumen (noun)
- 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
- a cavity or passage in a tubular organ
- "the lumen of the intestine"
Source: Princeton University Wordnet