Television that has approximately twice the horizontal and vertical resolution scan lines than current televisions, based on standards of the National Television Standards Committee (NTSC). The total number of pixels is therefore approximately four times that of NTSC standards.
Television with definition approximately doubled with reference to the conventional TV both vertically and horizontally and with increased picture aspect ratio. Synonyms: HDTV
A TV set that outputs an image with twice as better resolution than that of conventional television. (By doubling the number of horizontal and vertical resolution lines).