optical disk


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Related to optical disk: optical disc, magnetic disk

optical disc

or optical disk
n.
A plastic-coated disk on which data, such as text, music, or video, is digitally stored as microscopic regions of varying reflectivity and is read by scanning the surface with a laser. Also called laser disc.

optical disk

or optical disc
A plastic-coated disk that stores digital data, such as music or text, as tiny pits etched into its surface. Optical disks are read with a laser scanning the surface.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.optical disk - a disk coated with plastic that can store digital data as tiny pits etched in the surfaceoptical disk - 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
compact disc, compact disk, CD - a digitally encoded recording on an optical disk that is smaller than a phonograph record; played back by a laser
memory device, storage device - a device that preserves information for retrieval
DVD, videodisc, videodisk - a digital recording (as of a movie) on an optical disk that can be played on a computer or a television set
References in periodicals archive ?
David Paul Gregg first envisioned the optical disk (or VIDEODISK as he named it) in 1958 and patented the technology in 1961 and 1969.
Data stored on optical disks can play a major role in disaster recovery.
Q If business records are stored on an optical disk, may the original paper records be destroyed?
a contract printed with a word processor and signed) and then at a later date--after the contract is completed--scanned and stored on optical disk.
With an optical-disk jukebox system, the data can be downloaded from the computer to an optical disk overnight, freeing the expensive hard disk storage of the main computer for daily transactions.
Plasmon's P470/P940C optical disk cartridges can be used to record large volumes of both data and images files.
It was originally hoped that optical disk would fill the removable storage, random access requirement, but its slow progress keeps it from addressing this requirement on any broad scale.
Some 12-inch optical disks can store approximately 20,000 images on each side.
The versatile LF-7010 is shipping at a suggested list price of $3,995, which includes the unit, a single-sided rewritable optical disk and a lens-cleaning cartridge.
In one type of erasable optical disk, developed by Verbatim Corp.