optical disc, optical disk; laser disk; video disk A grooveless disk on which digital data; such 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. Found on http://www.wordinfo.info/words/index/info/view_unit/656/2
optical disc, optical disk; laser disk; video disk A grooveless disk on which digital data; such 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.