Computer disks storing data with a maximum reduction of space and bandwidth. The compact size reduces cost of transmission and storage.

An optical disk storage system used on specialized players that combine the functions of computer and CD player in a self-contained box, designed to be connected to a Television set and a home stereo [..]

Pieces of sea ice are said to be compacting when they are subjected to a converging motion, which increases ice concentration and/or produces stresses which may result in ice deformations.

A type of optical disk storage media, compact disks come in a variety of formats. These formats include CD-ROMs that are read-only, CD-Rs that you can write to once and are then read-only, and CD-RWs [..]

A form of digital media on a plastic disc read by a laser in a CD drive. It comes in several varieties including CD-ROM, CD-Ren|CD * en|compact disc