CD (disambiguation)

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A CD or compact disc is a thin plastic silvery disc for audio recordings.

CD or cd may also refer to:

Science and technology[edit]

Astronomy and cosmology[edit]

Biology, ecology, and health[edit]


  • CD-ROM, compact disc technology applied for use in computer data
  • cd (command), a command line command to change the current working directory in operating systems
  • Continuous delivery, a software development design practice


Other uses in science and technology[edit]

Businesses and organizations[edit]

Government, military, and political[edit]

Other businesses and organizations[edit]

Other uses[edit]