videodisc

n. disc on which images and sounds are stored to be read by a laser, optical disk

Videodisc (or video disc) is a general term for a laser- or stylus-readable random-access circular disc that contains both audio and video signals recorded in an analog form. Typically, it is a reference to any such media that predates the mainstream popularity of the DVD format. Such formats include:MCA/Philips DiscoVision (early name for laserdisc format) (1978)Pioneer Corporation LaserDisc (1980)RCA SelectaVision brand of CED players and discs (1981)VHD, a videodisc format that was marketed predominantly in Japan by JVC (1983)Laserfilm, a videodisc format developed by McDonnell Douglas (1984)Video CD (VCD), by Sony, Philips, Matsushita, and JVC (1993)MovieCD, by SIRIUS Publishing, Inc. (1995?)
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Noun
1. a digital videodisc; a recording (as of a movie) on an optical disk that can be played on a computer or a television set
(synonym) videodisk, DVD
(hypernym) optical disk, optical disc

videodisc
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