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luminance
luminaria
luminary
luminesce
luminescence
luminiferous
luminol
luminosity
luminous
luminous energy
luminous flux
luminous intensity
lumme
lummox
lump (1)
lump (2)
lump sum
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luminous

lu·mi·nous [ lmənəss ]


adjective 
Definition:
 
1. light-emitting: emitting or reflecting light

2. bright: startlingly bright
luminous orange

3. illuminated: brightly illuminated

4. understandable: clear and easy to understand

5. inspiring: enlightened and inspiring

6. physics relating to light: evaluated on the basis of the visual sensation produced in an observer rather than energy measurements

[15th century. Directly or via French< Latin luminosus< lumin- "light, opening"]

lu·mi·nous·ly adverb
lu·mi·nous·ness noun
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