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optical disk
 
Noun optical disk has 1 sense
  1. optical disk, optical disc - a disk coated with plastic that can store digital data astiny pits etched in the surface; is read with a laser that scans the surface
    --1 is a kind of memory device, storage device
    --1 has particulars:
     compact disk, compact disc, CD; videodisk, videodisc, DVD
optic tract optical optical aberration optical bench optical condenser optical crown optical device optical disc optical disk optical fiber optical fibre optical flint optical fusion optical glass optical illusion optical instrument optical lens

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