fixed disk(n = noun.artifact) hard disc, hard disk - a rigid magnetic disk mounted permanently in a drive unit;
is a kind of disc, disk, magnetic disc, magnetic disk
is a part of disc drive, disk drive, hard drive, winchester drive
has particulars: removable disk

acetate disk, brake disk, compact disk, compact disk player, disk, disk access, disk brake, disk cache, disk clutch, disk controller, disk drive, disk error, disk file, disk harrow, disk jockey, disk operating system, disk overhead, disk pack, disk shape, disk space, fixed, fixed charge, fixed cost, fixed costs, fixed intonation, fixed investment trust, fixed oil, fixed phagocyte, fixed star, fixed storage, floppy disk, hard disk, intervertebral disk, laser disk, magnetic disk, microsoft disk operating system, optic disk, optical disk, phonograph recording disk, ram disk, rayleigh disk, removable disk, well fixed