DICTIONARY ENTRY
2 SYLLABLES
lumen
/'lumən/ · lumən
Lumen has 2 syllables: lu · men.
lu
01
men
02
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.
noun. A cavity or passage in a tubular organ.
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