Found 2 items, similar to optical disk.
English → English (WordNet) Definition: optical disk optical disk n : 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 [syn: optical disc]
English → English (gcide) Definition: optical disk 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]