oroheliograph means A camera for obtaining a circular panoramic view of the horizon. The photographic plate is placed horizontally with a vertical lens above. A specially-shaped mirror reflects light from the entire horizon to the lens, by means of which it is focused upon the plate. Lexicurio rates it Sui generis — a strength score of 87 out of 100.
Etymology
From oro- + heliograph, from Ancient Greek word for "mountain".
noun
- A camera for obtaining a circular panoramic view of the horizon. The photographic plate is placed horizontally with a vertical lens above. A specially-shaped mirror reflects light from the entire horizon to the lens, by means of which it is focused upon the plate.