LUMEN
Scrabble letter values: L1U1M3E1N1 = 7
Definition
- 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
- noun a cavity or passage in a tubular organ.
Examples
- “the lumen of the intestine”