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lumen
lu·men1 / ˈloōmən/ (abbr.: lm) • n. Physics the SI unit of luminous flux, equal to the amount of light emitted per second in a unit solid angle of one steradian from a uniform source of one candela. lu·men2 • n. (pl. -mi·na / -mənə/ ) Anat. the central cavity of a tubular or other hollow structure in an organism or cell. DERIVATIVES: lu·mi·nal / -mənl/ adj. |
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"lumen." The Oxford Pocket Dictionary of Current English. 2009. Encyclopedia.com. 26 May. 2012 <http://www.encyclopedia.com>. "lumen." The Oxford Pocket Dictionary of Current English. 2009. Encyclopedia.com. (May 26, 2012). http://www.encyclopedia.com/doc/1O999-lumen.html "lumen." The Oxford Pocket Dictionary of Current English. 2009. Retrieved May 26, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O999-lumen.html |
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lumen
lumen
1. The space enclosed by a vessel, duct, or other tubular or saclike organ. The central cavity of blood vessels and of the digestive tract are examples. 2. Symbol lm. The SI unit of luminous flux equal to the flux emitted by a uniform point source of 1 candela in a solid angle of 1 steradian. |
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"lumen." A Dictionary of Biology. 2004. Encyclopedia.com. 26 May. 2012 <http://www.encyclopedia.com>. "lumen." A Dictionary of Biology. 2004. Encyclopedia.com. (May 26, 2012). http://www.encyclopedia.com/doc/1O6-lumen.html "lumen." A Dictionary of Biology. 2004. Retrieved May 26, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O6-lumen.html |
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lumen
lumen (symbol lm) SI unit measuring the amount of light in an area for one second. The light emits in a unit solid angle (one steradian) from a source of unit intensity (one candela).
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"lumen." World Encyclopedia. 2005. Encyclopedia.com. 26 May. 2012 <http://www.encyclopedia.com>. "lumen." World Encyclopedia. 2005. Encyclopedia.com. (May 26, 2012). http://www.encyclopedia.com/doc/1O142-lumen.html "lumen." World Encyclopedia. 2005. Retrieved May 26, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O142-lumen.html |
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lumen
lumen (loo-min) n.
1. the space within a tubular or saclike part. 2. the SI unit of luminous flux. Symbol: lm. |
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"lumen." A Dictionary of Nursing. 2008. Encyclopedia.com. 26 May. 2012 <http://www.encyclopedia.com>. "lumen." A Dictionary of Nursing. 2008. Encyclopedia.com. (May 26, 2012). http://www.encyclopedia.com/doc/1O62-lumen.html "lumen." A Dictionary of Nursing. 2008. Retrieved May 26, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O62-lumen.html |
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lumen
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MICHAEL ALLABY. "lumen." A Dictionary of Plant Sciences. 1998. Encyclopedia.com. 26 May. 2012 <http://www.encyclopedia.com>. MICHAEL ALLABY. "lumen." A Dictionary of Plant Sciences. 1998. Encyclopedia.com. (May 26, 2012). http://www.encyclopedia.com/doc/1O7-lumen.html MICHAEL ALLABY. "lumen." A Dictionary of Plant Sciences. 1998. Retrieved May 26, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O7-lumen.html |
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lumen
lumen A cavity inside a cell or bodily structure.
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MICHAEL ALLABY. "lumen." A Dictionary of Zoology. 1999. Encyclopedia.com. 26 May. 2012 <http://www.encyclopedia.com>. MICHAEL ALLABY. "lumen." A Dictionary of Zoology. 1999. Encyclopedia.com. (May 26, 2012). http://www.encyclopedia.com/doc/1O8-lumen.html MICHAEL ALLABY. "lumen." A Dictionary of Zoology. 1999. Retrieved May 26, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O8-lumen.html |
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lumen
lumen see photometry . |
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"lumen." The Columbia Encyclopedia, 6th ed.. 2011. Encyclopedia.com. 26 May. 2012 <http://www.encyclopedia.com>. "lumen." The Columbia Encyclopedia, 6th ed.. 2011. Encyclopedia.com. (May 26, 2012). http://www.encyclopedia.com/doc/1E1-X-lumen.html "lumen." The Columbia Encyclopedia, 6th ed.. 2011. Retrieved May 26, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1E1-X-lumen.html |
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lumen
lumen •examine, famine, gamin
•admin • jasmine • Yasmin • Brahmin
•women • specimen • madwomen
•clanswomen • charwomen
•craftswomen • draughtswomen
•gentlewomen • Welshwomen
•Frenchwomen
•airwomen, chairwomen
•laywomen • stateswomen
•saleswomen • policewomen
•kinswomen • Englishwomen
•businesswomen • Irishwomen
•congresswomen • countrywomen
•jurywomen • servicewomen
•tribeswomen
•Scotswomen, yachtswomen
•forewomen • horsewomen
•sportswomen • oarswomen
•councilwomen • townswomen
•noblewomen • spokeswomen
•frontierswomen • alderwomen
•anchorwomen • washerwomen
•Ulsterwomen • churchwomen
•catechumen, illumine, lumen
•bitumen
•albumen, albumin
•Duralumin • cumin • Benjamin
•theremin • vitamin
•determine, ermine, vermin
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"lumen." Oxford Dictionary of Rhymes. 2007. Encyclopedia.com. 26 May. 2012 <http://www.encyclopedia.com>. "lumen." Oxford Dictionary of Rhymes. 2007. Encyclopedia.com. (May 26, 2012). http://www.encyclopedia.com/doc/1O233-lumen.html "lumen." Oxford Dictionary of Rhymes. 2007. Retrieved May 26, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O233-lumen.html |
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