Meaning | 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. |
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Synonym | optical disk |
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Narrower | compact disk, compact disc, CD | A digitally encoded recording on an optical disk that is smaller than a phonograph record |
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videodisk, videodisc, DVD | A digital recording (as of a movie) on an optical disk that can be played on a computer or a television set |
Broader | memory device, storage device | A device that preserves information for retrieval |
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Spanish | disco óptico |
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Catalan | disc òptic |
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