Definitions of disc

n a flat circular plate

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acetate disk, phonograph recording disk
a disk coated with cellulose acetate
brake disk
a disk or plate that is fixed to the wheel; pressure is applied to it by the brake pads
(nautical) a round hardwood disk with holes and a grooved perimeter used to tighten a shroud
electro-acoustic transducer that vibrates to receive or produce sound waves
discus, saucer
a disk used in throwing competitions
a light, plastic disk about 10 inches in diameter; propelled with a flip of the wrist for recreation or competition
coin blank, planchet
a flat metal disk ready for stamping as a coin
hockey puck, puck
a vulcanized rubber disk 3 inches in diameter that is used instead of a ball in ice hockey
a metal or plastic disk that can be redeemed or used in designated slot machines
subway token
a token that is used to pay for entry to the subway system
Type of:
circle, round
any circular or rotating mechanism
a sheet of metal or wood or glass or plastic

n something with a round shape resembling a flat circular plate

disk, saucer
intervertebral disc, intervertebral disk
a fibrocartilaginous disc serving as a cushion between all of the vertebrae of the spinal column (except between the first two)
dot, point
a very small circular shape
Type of:
round shape
a shape that is curved and without sharp angles

n sound recording consisting of a disk with a continuous groove; used to reproduce music by rotating while a phonograph needle tracks in the groove

disk, phonograph record, phonograph recording, platter, record
a long-playing phonograph record; designed to be played at 33.3 rpm
78, seventy-eight
a shellac based phonograph record that played at 78 revolutions per minute
Type of:
audio, audio recording, sound recording
a recording of acoustic signals

n (computer science) a memory device consisting of a flat disk covered with a magnetic coating on which information is stored

disk, magnetic disc, magnetic 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
fixed disk, hard disc, hard disk
a rigid magnetic disk mounted permanently in a drive unit
removable disk
a hard disk that can be removed from the disk drive; removal prevents unauthorized use
Type of:
memory device, storage device
a device that preserves information for retrieval

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