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compact disc
/kəmpˈækt dˈɪsk/
/kəmpˈakt dˈɪsk/
CDcompact diskCompact disc
01
a small disc on which audio or other formats are recorded and could be played back by a player or computer using laser
What is a "CD"?
A CD, or compact disc, is a digital disc used for storing and playing audio, video, or data. It was introduced in the early 1980s and became popular for its ability to deliver high-quality sound and store a significant amount of data compared to previous formats. CDs are read by a laser in a CD player, which interprets the digital information encoded on the disc's surface. They are commonly used for music albums, software, and other media, though their use has decreased with the introduction of digital downloads and streaming services.
Examples
My favorite music album was released on compact disc, so I bought it to enjoy the high-quality audio.
The documentary is available on compact disc for those who prefer physical media over digital downloads.
