optical disc

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optical disc

or optical disk
n.
A plastic-coated disk on which data, such as text, music, or video, is digitally stored as microscopic regions of varying reflectivity and is read by scanning the surface with a laser. Also called laser disc.

optical disc

n
(Computer Science) computing an inflexible disc on which information is stored in digital form by laser technology. Also called: video 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.
Compare compact disc.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.optical disc - a disk coated with plastic that can store digital data as tiny pits etched in the surfaceoptical disc - a disk coated with plastic that can store digital data as tiny pits etched in the surface; is read with a laser that scans the surface
compact disc, compact disk, CD - a digitally encoded recording on an optical disk that is smaller than a phonograph record; played back by a laser
memory device, storage device - a device that preserves information for retrieval
DVD, videodisc, videodisk - a digital recording (as of a movie) on an optical disk that can be played on a computer or a television set
Translations
References in periodicals archive ?
The PD/CD-ROM Library is a natural extension of last year's PD drive, a single drive that allows a user to read CD-ROM titles at quad-speed, and, in the same drive, insert and read/write a 650 MB PD disc," said Timothy J.
The Panasonic LF-D101 DVD-RAM Drive can read/write to all current DVD-RAM and PD disc formats, and can read from discs currently accepted by CD-ROM, CD Audio, CD-R, CD-RW and video CD drives, as well as DVD video, DVD-ROM and DVD-R drives.
chains such as Wal-Mart, Target, Best Buy and Circuit City buy millions of PD discs each month, while many DVD companies around the world are releasing these titles in their budget lines.