1. 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]
WordNet (r) 3.0 (2006):
optical disc
n 1: 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]