Photonephograph
Pronunciation : Pho`to*neph"o*graph (-nef"o*graf)
Part of Speech : n.
Definition : Defn: A nephoscope registering by photography, commonly consisting of a pair of cameras used simultaneously.
[Photo- + Gr. ne`fos a cloud + -graph.] (Meteor.)
Source : Webster's Unabridged Dictionary, 1913