cd

CD

(sE' dE') n.

an optical disk, usually 12 cm in diameter but sometimes smaller, that stores digital data in a format introduced by Sony and Phillips for recorded music c. 1980.

CD-R

(sE dE a:r') n.

a CD on which data can be recorded one time.

CD-ROM

(sE dE rom') n.

a CD that contains computer files.

CD-RW

(sE dE a:r' dub' l yU') n.

a CD on which data can be recorded and erased multiple times. CD-RWs have lower contrast than other CDs, so they cannot be read reliably in all CD devices.

Unless otherwise stated, the content of this page is licensed under Creative Commons Attribution 3.0 License