optical disk 1
noundomain: artefact
Princeton WordNet [ver.3.1]
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EnglishDefinition
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
Hypernym
memory device 1
noun
a device that preserves information for retrieval
EnglishHyponym
compact disk 1
noun
a digitally encoded recording on an optical disk that is smaller than a phonograph record; played back by a laser
videodisk 1
noun
a digital recording (as of a movie) on an optical disk that can be played on a computer or a television set
