1. (noun) a digitally encoded recording on an optical disk that is smaller than a phonograph record; played back by a laser

• cd
• compact disc

1. (noun) a digitally encoded recording on an optical disk that is smaller than a phonograph record; played back by a laser

• audio cd
• audio compact disc
• cd-r
• cd-wo
• compact disc recordable
• compact disc write-once
• cd-rom
• compact disc read-only memory

1. (noun) a digitally encoded recording on an optical disk that is smaller than a phonograph record; played back by a laser

• optical disc
• optical disk
• recording