a system that allows viewers having television sets with special decoders to receive signals that display printed information as well as graphics on their screens.
Origin of teletext
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
a form of Videotex in which information is broadcast by a television station and received on an adapted television set
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