Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. A plastic-coated disk that stores digital data, such as music or text, as tiny pits etched into the surface and is read with a laser scanning the surface. Also called laser disk. See Usage Note at compact disk.

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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