Holophote

[hɒlәfәut]

Definition

(n.) A lamp with lenses or reflectors to collect the rays of light and throw them in a given direction; -- used in lighthouses.

Checked by Cindy

Definition

n. an improved optical apparatus now used in lighthouses by which all the light from the lamp is thrown in the required direction in the catoptric holophote by reflectors in the dioptric by refracting lenses in the catadioptric by both combined.—adj. Holophōt′al.

Edited by Johanna