optical disk definition

  • noun:
    • A plastic-coated disk that stores electronic data, eg songs or text, as little pits etched to the surface and it is look over with a laser scanning the outer lining. Also referred to as laser disk. See Usage Note at compact disc.
    • a disk coated with plastic that will keep electronic information as small pits etched in area; is read with a laser that scans the top

Related Sources

  • Definition for "optical disk"
    • A plastic-coated disk that stores electronic data, eg…
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