op'tical disk'

Computers, Television.
1. Also,op'tical disc'.Also called laser disk. a grooveless disk on which digital data, as text, music, or pictures, is stored as tiny pits in the surface and is read or replayed by a laser beam scanning the surface.
2. videodisk. Cf. compact disk.

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

optical computeroptical effects
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