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holophote
holophote (ˈhɒləʊˌfəʊt) n (General Physics) optics a device or system for reflecting and redirecting all or a large amount of the light from a source, such as the lamp system in a lighthouseholophote
holophote[′häl·ə‚fōt] (optics) An optical system consisting of lenses or reflectors that collect a large amount of the light from a source (such as the lamp of a lighthouse) and send it in a desired direction. |