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 ?
Consumer inclination towards recording high-definition (HD) broadcasts and privacy concerns regarding cloud storage have the potential to boost the demand for recordable optical discs, however, FMI opines that manufacturers will have to create a disruptive technology to compete with online storage options.
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.
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.
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.
Table 26: World Historic Review for Optical Discs byGeographic Region - US, Canada, Japan, Europe, Asia-Pacific(Excluding Japan), Latin America and Rest of World MarketsIndependently Analyzed with Annual Sales Figures in MillionUnits for Years 2006 through 2012 (includes correspondingGraph/Chart) II-68
have demonstrated two- to six-level optical discs that are capable of up to 10 times the density of conventional discs.
com Can Now Extract Data from Damaged/Corrupted Optical Discs That Was Considered Unrecoverable
The new center is designed as a full-service facility to maintain Sony's leadership role in the manufacturing of optical discs.
25" optical disks, recordable CD optical discs and memory cards.