Meanings
- uncountableHeliography (photography of the sun), especially as undertaken using a photoheliograph.
The difficulties of photoheliography consist principally in the rapidity with which the sun's image acts upon the sensitive film.
1860, Photographic news for amateur photographers, volumes 3-4, page 1132 more examples
Difficulties of Photoheliography. — Whilst in lunar and stellar photography many of the obstacles to be overcome arose from the deficiency of photographic power in the unenlarged focal images of those celestial objects, the difficulties which have stood in the way of producing good sun-pictures arose in a great degree from the incomparably greater brilliancy in the sun's image, [...]
1860, Report of the annual meeting of the British Association for the Advancement of Science, volume 29, page 150First, that the system of photoheliography, which has for some years been carried on at Kew by the zeal of individuals, and partly maintained by private means, has now been brought to a close.
1872, Nature, volume 5, page 497
Origin
Rhymes & wordplay
Rhymes with photoheliography
Cite this entry
photoheliography. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/photoheliography
“photoheliography.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/photoheliography. Accessed November 5, 2026.
WatkinsX Dictionary, s.v. “photoheliography,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/photoheliography.
Source: photoheliography on Wiktionary, CC BY-SA 4.0.