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tele·text | \ ˈte-lə-ˌtekst 
\
\Definition of teletext
: a system for broadcasting text over an unused portion of a television signal and displaying it on a decoder-equipped television set — compare videotex
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More Definitions for teletext
teletext
nounEnglish Language Learners Definition of teletext
technical : a system for broadcasting written information on television
See the full definition for teletext in the English Language Learners Dictionary
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The first known use of teletext was in 1974
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