from The American Heritage® Dictionary of the English Language, 4th Edition
- n. An early form of a television-camera tube, equipped for rapid scanning of an information-storing, photoactive mosaic.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. an early television camera having a mosaic of photoactive cells
from The Century Dictionary and Cyclopedia
- n. A device attached to a camera, which shows in reduced scale an image of an object to be photographed; a finder. It permits a choice of point of view and arrangement.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. the first practical television-camera for picture pickup; invented in 1923 by Vladimir Kosma Zworykin
Originally a trademark.(American Heritage® Dictionary of the English Language, Fourth Edition)