optical disc definition

  • noun:
    • a contemporary data storage medium comprising a flat disk read mechanically by illumination with laser light. Various formats range from the Laserdisc, compact disc, DVD, and Blu-ray.
    • a disk coated with plastic that will store digital information as little pits etched in the surface; is read with a laser that scans the surface

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  • Hyponym for "optical disc"
  • Hypernym for "optical disc"
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