oroheliograph
名词 n.
英文释义
名词 n.
- 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.
词形变化
词源
From oro- + heliograph, from Ancient Greek word for "mountain".
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数据来源: Wiktionary