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luminance

lu·mi·nance

luminance

 
pronunciation:
lu mih nns
features:
Word Parts
part of speech: noun
definition 1: the state or quality of emitting or reflecting light.
definition 2: the measure of brightness of a light source or a luminous surface in candelas per unit area.
Word Parts
The word luminance contains the following part:
luc, lum Latin root that means light; shine
synonyms:
phot, photo