OPTICAL DISK
Dictionary entry overview: What does optical disk mean? • OPTICAL DISK (noun)
The noun OPTICAL DISK has 1 sense:
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
Familiarity information: OPTICAL DISK used as a noun is very rare.
Dictionary entry details
• OPTICAL DISK (noun)
Meaning:
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
Classified under:
Nouns denoting man-made objects
Synonyms:
optical disc; optical disk
Hypernyms ("optical disk" is a kind of...):
memory device; storage device (a device that preserves information for retrieval)
Hyponyms (each of the following is a kind of "optical disk"):
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)
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