(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 color stereo or two separATe sound tracks integrATed with and/or separATe from the images and 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)