photoheliography
Heliography, especially as undertaken using a photoheliographHeliography (photography of the sun), especially as undertaken using a photoheliograph.
Meaning
1 senses(uncountable)Heliography (photography of the sun), especially as undertaken using a photoheliograph.
Origin
From photo- + heliography.From photo- + heliography.
Wiktionary, CC BY-SA 4.0 · source
Lessons for this word
1 lessons- A1Countable and uncountable nouns — Because it can be uncountable