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optical disc

   Also found in: Medical, Encyclopedia, Wikipedia 0.01 sec.
optical disk or optical disc
n.
A plastic-coated disk that stores digital data, such as music or text, as tiny pits etched into the surface and is read with a laser scanning the surface. Also called laser disk. See Usage Note at compact disk.

optical disc
n
(Electronics & Computer Science / Computer Science) Computing an inflexible disc on which information is stored in digital form by laser technology Also called video disc
ThesaurusLegend:  Synonyms Related Words Antonyms
Noun1.optical discoptical 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


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