from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. 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.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. 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


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