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单词 optical disk
释义
optical disk
(once / 844237 pages)
n

WORD FAMILY
optical disk: optical disks
USAGE EXAMPLES
Magnetic tape and optical disks provide low cost long-term inactive storage with additional latency for data access vs.
Forbes(Jun 29, 2014)
Another alternative is optical disks, which are made of plastic. 
Forbes(Nov 09, 2012)
Yes, they never got the price down and the optical disks proved unreliable.
Forbes(Aug 10, 2012)
n 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|Hypo|Hyper
optical disc
CD, compact disc, compact disk
a digitally encoded recording on an optical disk that is smaller than a phonograph record; played back by a laser
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
audio CD, audio compact disc
compact discs used to reproduce sound (voice and music)
CD-R, CD-WO, compact disc recordable, compact disc write-once
a compact disc on which you can write only once and thereafter is read-only memory
CD-ROM, compact disc read-only memory
a compact disk that is used with a computer (rather than with an audio system); a large amount of digital information can be stored and accessed but it cannot be altered by the user
memory device, storage device
a device that preserves information for retrieval
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