First commercial optical disc storage medium which holds analog video as well as analog and digital audio, now been replaced by DVD
A disc that is recorded with sound and pictures and read on a laserdisc player by a laser beam. (WP, Gr. 6)
A 12-inch (or 8-inch) optical disc that holds analog video (using an FM signal) and both analog and digital (PCM) audio. A precursor to DVD.