an electronic information transmission and retrieval technology enabling interactive communication, for such purposes as data acquisition and dissemination and electronic banking and shopping, between typically large and diverse computer databases and users of home or office display terminals connected to telephone or cable-television lines, or through use of broadcast television signals.
Also vid·e·o·text, vid·e·o-text [vid-ee-oh-tekst] /ˈvɪd i oʊˌtɛkst/.
Origin of videotex
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
a means of providing a written or graphical representation of computerized information on a television screen
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