Definitions for optical disc
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Random House Webster's College Dictionary
op′tical disc′(n.)
Category: Computers, Radio and Television
Ref: Also called laser disc.
Category: Radio and Television
Ref: videodisc.; Compare compact disc. 1
Princeton's WordNet
optical disk, optical disc(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
Wiktionary
optical disc(Noun)
A modern data storage medium consisting of a flat disc read mechanically by illumination with laser light. Various formats include the Laserdisc, compact disc, DVD, and Blu-ray.
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