Found in the following dictionaries
Enable (Words with friends)
SOWPODS (Collins Scrabble Words)
OTCWL2014 (NASPA Word List 2014)
TWL06 (NASPA List 2006)
SOWPODS (Collins Scrabble Words)
OTCWL2014 (NASPA Word List 2014)
TWL06 (NASPA List 2006)
"Lumen" Definition
noun
Anatomy The inner open space or cavity of a tubular organ, as of a blood vessel or an intestine.
Source: American Heritage Dictionary
Botany The cavity bounded by a plant cell wall.
Source: American Heritage Dictionary
Physics The unit of luminous flux in the International System, equal to the amount of light given out through a solid angle by a source of one candela intensity radiating equally in all directions. See Table at measurement.
Source: American Heritage Dictionary
The cavity of a tubular organ or part .
Source: Merriam-Webster
The bore of a tube (as of a hollow needle or catheter).
Source: Merriam-Webster
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