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optical disk
Noun
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
synonym
optical disc
hypernym
memory device
storage device
hyponym
CD
compact disc
compact disk
DVD
videodisc
videodisk
optical disk vs CD
optical disk vs DVD
optical disk vs compact disc
optical disk vs compact disk
optical disk vs memory device
optical disk vs optical disc
optical disk vs storage device
optical disk vs videodisc
optical disk vs videodisk
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