The e-ILV provides free access to all the terms and definitions contained in the international standard CIE S 017:2020 ILV: International Lighting Vocabulary, 2nd edition.
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spill light
stray light, <in a lighting installation>
light emitted by a lighting installation that falls outside the boundaries of the property for which the lighting installation is designed
Note 1 to entry: This entry was numbered 17-1246 and 17-1273 in CIE S 017:2011.