HyperDic: optical_disc

English > 1 sense of the expression optical disc:
NOUNartifactoptical disc, optical diska disk coated with plastic that can store digital data as tiny pits etched in the surface
English > optical disc: 1 sense > noun 1, artifact
MeaningA 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.
Synonymoptical disk
Narrowercompact disk, compact disc, CDA digitally encoded recording on an optical disk that is smaller than a phonograph record
videodisk, videodisc, DVDA digital recording (as of a movie) on an optical disk that can be played on a computer or a television set
Broadermemory device, storage deviceA device that preserves information for retrieval
Spanishdisco óptico
Catalandisc òptic

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