'optical disk' definitions:
Definition of 'optical disk'
(from WordNet)
noun
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 [syn: optical disk, optical disc]
Definition of 'optical disk'
From: GCIDE
- laser disk \laser disk\ n. A digital data storage medium consisting of a thin disk onto which the data is impressed by a laser, in the form of a linear sequence of dots; same as optical disk. The data is subsequently read back by the use of a laser beam. See also compact disk.
- Note: The original disk may be created by use of a laser, but copies of the original disk may be created by a replicating process which does not itself require a laser. [PJC]