Photonephograph
Photonephograph Pho`to*neph"o*graph (f[=o]`t[-o]*n[e^]f"[-o]*gr[.a]f), n. [Photo- + Gr. ne`fos a cloud + -graph.] (Meteor.) A nephoscope registering by photography, commonly consisting of a pair of cameras used simultaneously. [Webster 1913 Suppl.]

The Collaborative International Dictionary of English. 2000.

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  • nephograph — raf, rȧf noun Etymology: International Scientific Vocabulary nepho + graph : an instrument for photographing clouds * * * nephˈōgraph / gräf/ noun An instrument for photographing clouds in order to determine their position • • • Main Entry:… …   Useful english dictionary

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