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 ?
Wide-ranging product types such as CD, DVD and Blu-Ray Disc are products that cater to large data storage demands across numerous industries thus generating a desirable market for recordable optical discs.
Sony Corporation and Panasonic Corporation have announced the "Archival Disc", a new standard for professional-use, next-generation optical discs, with the objective of expanding the market for long-term digital data storage.
Optical Disc Archive offers file-based solutions by storing data in a compact cartridge with 12 optical discs.
Here's a new angle--actually more than 300 new angles--on boosting the quantities of movies and music that optical discs can hold.
DVDs are casting a new light on optical discs - quite literally, since new generations of high-density disc players are expected to use blue-green lasers with shorter wavelengths in order to read the smaller pits of new higher-density data discs.
Also, since the system uses WORM (write once, read many times) technology, optical discs cannot be altered, and security is assured.
Illuminating Standard for Read Only Optical Discs The National Information Standards Organization (NISO) announced the formal adoption this month of a new standard for compact read only optical discs, or CD-ROMs.
DCA continues to champion new solutions for optical discs, including its DiscTag, HCRC and job history metadata for automated verification, testing and tracking of job information.
have demonstrated two- to six-level optical discs that are capable of up to 10 times the density of conventional discs.
Rewritable optical discs are used for storage of data files that require numerous revisions or are intended to change," explained Pete Imamura, president of Pioneer Communications of America.
MI3MS 1000 offers efficient filing of documents on optical discs, easy location of important documents with a minimum of keystrokes, and fast display of desired images in a useful side-by-side format.