• 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