One of the mysteries of the English language finally explained.
1An apparatus for transmitting and receiving television pictures in which a video signal is generated by the action of light on photoconductive cells after having passed through a revolving perforated disk, this signal controlling the brightness of a neon lamp which, in conjunction with a second disk, projects an image; (originally and especially) a device of this kind designed and patented by John Logie Baird. Now historical.
2A person who works in the television industry, e.g. as a presenter. Now rare.
3An organization that makes or broadcasts television programmes.
1920s; earliest use found in The Glasgow Herald. Probably partly from televis- + -or.
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