Definition of Heliography

1. n. Photography.

2. n. The description of the sun.

Definition of Heliography

1. Noun. The scientific study of the sun ¹

2. Noun. The art of making a heliograph ¹

3. Noun. The system of signalling by heliograph ¹

¹ Source: wiktionary.com

Medical Definition of Heliography

1. 1. The science which relates to the action of light on sensitive bodies in the production of pictures, the fixation of images, and the like. 2. The art or process of producing pictures by this action of light. The well-focused optical image is thrown on a surface of metal, glass, paper, or other suitable substance, coated with collodion or gelatin, and sensitized with the chlorides, bromides, or iodides of silver, or other salts sensitive to light. The exposed plate is then treated with reducing agents, as pyrogallic acid, ferrous sulphate, etc, to develop the latent image. The image is then fixed by washing off the excess of unchanged sensitive salt with sodium hyposulphite (thiosulphate) or other suitable reagents. Origin: Photo-: cf. F. Photographie. Source: Websters Dictionary (01 Mar 1998)

Lexicographical Neighbors of Heliography

heliochromy
heliodon
heliodons
heliodor
heliodors
helioelectric
heliogram
heliograms
heliograph
heliographed
heliographer
heliographers
heliographic
heliographing
heliographs
heliography (current term)
heliogravure
heliogravures
heliolater
heliolaters
heliolatitude
heliolatitudes
heliolatries
heliolatrous
heliolatry
heliolite
heliolites
heliolithic
heliology
heliomagnetic

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