10. 
    Lumen
    A measure of the amount of light available from a light source equivalent to the light emitted by one candle.
    Found op http://www.neo.ne.gov/statshtml/glossaryl.htm
    
    
11. 
    lumen
    A cavity or space within a tube or sac.
    Found op http://www.encyclo.co.uk/visitor-contributions.php
    
    
12. 
    Lumen
    Lu'men noun ; plural Latin Lumina , English Lumens . [ Latin , light, an opening for light.] 1. (Photom.) (a) A unit of illumination, being the amount of illumination of a unit area of spherical surface, due to...
    Found op http://www.encyclo.co.uk/webster/L/68
    
    
13. 
    lumen
    <anatomy> The cavity or channel within a tube or tubular organ. ... (18 Nov 1997) ...
    Found op http://www.mondofacto.com/facts/dictionary?lumen
    
    
14. 
    lumen
    noun a cavity or passage in a tubular organ; `the lumen of the intestine`
    Found op http://wordnetweb.princeton.edu/perl/webwn?s=lumen
    
    
15. 
    lumen
    lm 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
    Found op http://wordnetweb.princeton.edu/perl/webwn?s=lumen
    
    
16. 
    lumen
    (loo´mәn) Latin word meaning light. In anatomy, it is to denote the cavity or channel within a tube or tubular organ, such as a blood vessel or the intestine. the SI unit of rate of flow of radiant energy, specifically that of visible light. adj., lu´minal., adj.
    Found op http://www.encyclo.co.uk/local/21001
    
    
17. 
    Lumen
    • (n.) A unit of light flux, being the flux through one square meter of surface the illumination of which is uniform and of unit brightness. • (n.) An opening, space, or cavity, esp. a tubular cavity; a vacuole. • (n.) A unit of illumination, being the amount of illumination of a unit...
    Found op http://thinkexist.com/dictionary/meaning/lumen/
    
    
18. 
    lumen
    (from the article `respiration, human`) ...and the prominence more marked in men than in women, which has given this structure the common name of Adam`s apple. Behind the shieldlike thyroid ...
    Found op http://www.britannica.com/eb/a-z/l/83
    
    
19. 
    lumen
    unit of luminous flux, or amount of light, defined as the amount streaming outward through one steradian (a unit of solid angle, part of the volume ... [2 related articles]
    Found op http://www.britannica.com/eb/a-z/l/83
    
    
20. 
    lumen
    (L. 'light') the cavity or channel within a tube or tubular organ.
    Found op http://users.ugent.be/~rvdstich/eugloss/DIC/dictio51.html
    
    
21. 
    lumen
    lumen (s); lumina (pl) 1. In physics, the SI unit of luminous flux, equal to the amount of light crossing a unit area at a unit distance from a light source of luminous intensity of one candela. Symbol lm. 2. In anatomy, the space inside any tubular structure in the body, e.g., an intestine, artery...
    Found op http://www.wordinfo.info/words/index/info/view_unit/1212/4
    
    
22. 
    Lumen
    [unit] The lumen (symbol: lm) is the SI derived unit of luminous flux, a measure of the total "amount" of visible light emitted by a source. Luminous flux differs from power (radiant flux) in that luminous flux measurements reflect the varying sensitivity of the human eye to different wavele...
    Found op http://en.wikipedia.org/wiki/Lumen_(unit)
    
    

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