a television camera tube in which a beam of high-velocity electrons scans a photoemissive mosaic.
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British Dictionary definitions for iconoscope
a television camera tube in which an electron beam scans a photoemissive surface, converting an optical image into electrical pulses
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012