OPTICAL DISC

Pronunciation (US):

(GB):

IPA (US):

 Dictionary entry overview: What does optical disc mean? 

• OPTICAL DISC (noun)
  The noun OPTICAL DISC 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 DISC used as a noun is very rare.

 Dictionary entry details 

• OPTICAL DISC (noun)

Sense 1

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 disc" 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 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)