Dictionary of Business Terms: Compact Disc (CD)
Compact Disc (CD)
an optical storage device capable of holding up to 650 MB of digital data optically encoded on a 4.75-inch reflective disk and read by a laser beam. Some CDs are read-only (see CD-ROM) Others (CD-R) are recordable; that is, they can be written to in one or more sessions. Still others (CD-RW) are rewriteable; that is, they can be erased and written over.
