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We found 6 dictionaries with English definitions that include the word lumenal: Click on the first link on a line below to go directly to a page where "lumenal" is defined. General (4 matching dictionaries) lumenal: Collins English Dictionary [home, info] lumenal: Merriam-Webster's Online Dictionary, 11th Edition [home, info] lumenal: Dictionary.com [home, info] lumenal: Dictionary/thesaurus [home, info] Computing (1 matching dictionary) lumenal: Encyclopedia [home, info] Medicine (1 matching dictionary) lumenal: Medical dictionary [home, info] (Note: See lumen for more definitions.)

Quick definitions from WordNet (lumen) ▸ noun:  a cavity or passage in a tubular organ ("The lumen of the intestine") ▸ 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 ▸ Also see lumen