Definitions
from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun The flow of light per unit of time, especially the flux of visible light expressed in lumens.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun In
photometry , the measure of the power oflight as perceived by the humaneye , in proportion to the power at eachwavelength .
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- noun the rate of flow of light energy
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