Definition of Holophotal. Meaning of Holophotal. Synonyms of Holophotal

Here you will find one or more explanations in English for the word Holophotal. Also in the bottom left of the page several parts of wikipedia pages related to the word Holophotal and, of course, Holophotal synonyms and on the right images related to the word Holophotal.

Definition of Holophotal

Holophotal
Holophotal Hol`o*pho"tal, a. [Holo + Gr. ?, ?, light.] (Opt.) Causing no loss of light; -- applied to reflectors which throw back the rays of light without perceptible loss.

Meaning of Holophotal from wikipedia

- Stevenson (younger brother of Alan) went a step beyond Fresnel with his "holophotal" lens, which focused the light radiated by the lamp in nearly all directions...
- lens was a Chance Brothers 2-metre (6 ft 7 in), sixteen sided, dioptric, holophotal, Fresnel lens, with a characteristic of one eight-second white flash every...
- light. Stones were brought from Singapore and work began in 1860. The holophotal light on the tower was lit on 23 April 1865 and was 144 feet above the...
- Department described the light as being "behind the times". A first-order holophotal lantern with an estimated cost of £3,900 was ordered in 1891. The same...