- A service provided by TV broadcasters, in which text and simple graphics are presented on the TV screen, employing an otherwise unused portion of the transmitted signal. A PAL or SECAM TV may come equipped with this feature, or a decoder box may be utilized. Used, for instance, to provide programming information, news, or the like.
Information & Library Science
- noun a system of transmitting written text using a television signal
- noun a videotext broadcast by a TV company, e.g. Ceefax on BBC or Oracle on ITV
- noun a system of broadcasting news and other information in written form that can be viewed on specially equipped television sets