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front fog light
projector carried on a vehicle for illuminating the way ahead in poor visibility, and usually positioned so as to moderate the amount of light returned by scattering to the driver
Note 1 to entry: This entry was numbered 845-11-72 in IEC 60050-845:1987.
Note 2 to entry: This entry was numbered 17-477 in CIE S 017:2011.