The Collaborative International Dictionary
Phototelegraphy
Phototelegraphy \Pho`to*te*leg"ra*phy\, n. Telegraphy by means of light, as by the heliograph or the photophone. Also, less properly, telephotography. -- Pho`to*tel"e*graph, n. -- Pho`to*tel`e*graph"ic, a.
Wiktionary
phototelegraphy
n. The fax system