[ hol-uh-foht, hoh-luh- ]
/ ˈhɒl əˌfoʊt, ˈhoʊ lə- /
an apparatus by which practically all the light from a lighthouse lamp or the like is thrown in a desired direction.
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Words nearby holophote
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020
Example sentences from the Web for holophote
The focus observer is shown on the lamp in holophote, Fig. 172.
The catadioptric lens, or holophote, gives a far more powerful but a more concentrated beam than the parabolic reflector.