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Luluabourg
lum
lumbago
lumbar
lumbar pack
lumbar puncture
Lumbee
lumber (1)
lumber (2)
lumberjack
lumberjacket
lumberman
lumberyard
lumen
luminaire
luminance
luminaria
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luminous energy
lu·mi·nous en·er·gy


noun 
Definition:
 
total amount of light given off: the total amount of light emitted by a source.
Symbol  QV
Encarta® World English Dictionary [North American Edition] © & (P)2009 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc.
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