• noun a read only optical disc that can store up to two hours of video data, usually used either to store a complete film, as a rival to video cassette, or to use in an interactive system with text, video and still images


  • An optical disc format typically utilized for audio and video, such as movies and music. This format usually provides two analog and two digital audio channels, and its horizontal resolution is generally 425 lines. Also, a disc encoded in this format. Such discs are usually 12 or 8 inches in diameter, and a laserdisc player is required to read them.

Information & Library Science

  • noun a read-only optical disk used to store large amounts of data and pictures