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reflector
device predominantly using reflection to alter the spatial distribution of radiation from a source
Note 1 to entry: Besides reflection, a reflector can also have a slight diffusion and absorption effect.
Note 2 to entry: This entry was numbered 845-10-33 in IEC 60050-845:1987.
Note 3 to entry: This entry was numbered 17-1069 in CIE S 017:2011.