magnetic disc

n.

1.

A ditical memory device consisting of a flat disk covered with a magnetic coating on which information is stored; a hard disk, floppy disk, and diskette are typically magnetic disks.

Thesaurus

Noun

1.

magnetic disc - (computer science) a memory device consisting of a flat disk covered with a magnetic coating on which information is stored magnetic disk, disc, disk diskette, floppy, floppy disk - a small plastic magnetic disk enclosed in a stiff envelope with a radial slit; used to store data or programs for a microcomputer; "floppy disks are noted for their relatively slow speed and small capacity and low price" fixed disk, hard disc, hard disk - a rigid magnetic disk mounted permanently in a drive unit memory device, storage device - a device that preserves information for retrieval computer science, computing - the branch of engineering science that studies (with the aid of computers) computable processes and structures