(CD) (Not "disk", this spelling is part of the standard).A 4.72 inch disc developed by Sony and Philips that can store, on the same disc, still and/or moving images in monochrome and/or colorstereo or two separate sound tracks integrated with and/or separate from the imagesand digital program and information files.The same fabrication process is used to make both audio CDs and CD-ROMs for storing computer data, the only difference is in the device used to read the CD (the player or drive).{CD Information Center (http://www.cd-info.com/cd-info/CDInfoCenter.html)}.(1999-06-23)