About The Word Heliography
Learn about the word Heliography to help solve your crossword puzzle. Discover Heliography definitions and meaning, origins, synonyms, related terms and more at the free Crossword Dictionary.
Heliography
| Heliography Definition And Meaning |
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What's The Definition Of Heliography?Synonyms | Synonyms for Heliography: Related Terms | Find terms related to Heliography: See Also | Heliography In Webster's Dictionary \He`li*og"ra*phy\, n. [Helio- + -graphy.]
Photography. --R. Hunt.
\He`li*og"ra*phy\, n. 1. The description of the sun. 2. The system, art, or practice of telegraphing, or signaling, with the heliograph. 3. An early photographic process invented by Nic['e]phore Niepce, and still used in photo-engraving. It consists essentially in exposing under a design or in a camera a polished metal plate coated with a preparation of asphalt, and subsequently treating the plate with a suitable solvent. The light renders insoluble those parts of the film which is strikes, and so a permanent image is formed, which can be etched upon the plate by the use of acid. |
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