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laser disc
laser disc or laser diskn. See optical disc.op′tical disc′
n. 1. Also called laser disc. a grooveless disk on which digital data, as text, music, or pictures, are stored as tiny pits in the surface and read or replayed by a laser beam scanning the surface. 2. videodisc. Compare compact disc. laser disc
laser disc: see videodiscvideodisc
or videodisk,
disk used with a special player and television to reproduce both pictures and sound. A videodisc player cannot record television programs off the air for later playback, unlike a videocassette recorder (VCR) or recordable DVD (see digital
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