oroheliograph

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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.

Scrabble 22
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Meanings

nounoroheliograph (plural oroheliographs)

plural oroheliographs

  1. artsA 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.

Origin

From oro- (“mountain”) + heliograph, from Ancient Greek word for "mountain".

Full word history & related roots →
Cite this entry
APA

oroheliograph. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/oroheliograph

MLA

“oroheliograph.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/oroheliograph. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “oroheliograph,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/oroheliograph.

Source: oroheliograph on Wiktionary, CC BY-SA 4.0.