Linear TV: A television service that requires the viewer to watch a scheduled TV program at the particular time it’s offered, and on the particular channel it's presented on. Synonyms include time-and-channel based TV, appointment-based TV, and traditional television. (Source: ITV Dictionary.) Non-linear TV comprises on-demand formats as well as programs that don’t emanate from a network channel, also known as web TV and digital media.
hugovk commented on the word linear TV
linear TV, n.
Away With Words - Word of the Week: Linear TV, 1 June 2015:
September 3, 2015