- a variant spelling (esp US and Canadian) of disc
- Also called: magnetic disk, hard disk a direct-access storage device consisting of a stack of plates coated with a magnetic layer, the whole assembly rotating rapidly as a single unit. Each surface has a read-write head that can move radially to read or write data on concentric tracks
See also floppy disk
WordReference Random House Learner's Dictionary of American English © 2026
disk /dɪsk/USA pronunciation
n. [countable]
WordReference Random House Unabridged Dictionary of American English © 2026- any thin, flat, circular plate or object.
- any surface that is flat and round, or seemingly so:the disk of the sun.
- Sound Reproductiondisc (def. 1).
- Computingany of several types of materials for storing electronic or computer data, consisting of thin round plates of plastic or metal.
- Botany, Zoologyany of various roundish, flat anatomical structures, esp. between the bones of the backbone.
disk
(disk),USA pronunciation n.
v.t.
disk′like′, adj.
- any thin, flat, circular plate or object.
- any surface that is flat and round, or seemingly so:the disk of the sun.
- Sound Reproductiondisc (def. 1).
- Computingany of several types of media consisting of thin, round plates of plastic or metal, used for external storage:magnetic disk;floppy disk;optical disk.
- Botany, Zoologyany of various roundish, flat structures or parts.
- See intervertebral disk.
- Botany(in the daisy and other composite plants) the central portion of the flower head, composed of tubular florets.
- any of the circular steel blades that form the working part of a disk harrow.
- Mathematicsthe domain bounded by a circle.
- [Archaic.]discus.
v.t.
- Informal Termsdisc (def. 3).
- to cultivate (soil) with a disk harrow.
- Latin discus discus; compare dish
- 1655–65
Collins Concise English Dictionary © HarperCollins Publishers::
disk /dɪsk/ n
WordReference Random House Unabridged Dictionary of American English © 2026
disc
(disk),USA pronunciation n.
v.t.
disc.,
- Sound Reproductiona phonograph record.
- Computingdisk (defs. 1, 2, 4–9).
v.t.
- Sound Reproduction, Informal Terms[Informal.]to make (a recording) on a phonograph disc.
- disk (defs. 11, 12).
- see disk
disc.,
- discount.
- discovered.
Collins Concise English Dictionary © HarperCollins Publishers::
disc, esp US disk /dɪsk/ n
- a flat circular plate
- something resembling or appearing to resemble this
another word for (gramophone) record - any approximately circular flat structure in the body, esp an intervertebral disc
- the flat receptacle of composite flowers, such as the daisy
- (as modifier): a disc floret
- Also called: parking disc a marker or device for display in a parked vehicle showing the time of arrival or the latest permitted time of departure or both
- (as modifier): a disc zone, disc parking
a variant spelling of disk
'disk' also found in these entries (note: many are not synonyms or translations):
archive
- band
- Blu-ray
- bpi
- CD-ROM
- daisywheel
- digital versatile disk
- direct access
- directory
- disc
- disk drive
- diskette
- disk operating system
- DOS
- drum
- DVD
- file
- floppy
- floppy disk
- footprint
- format
- hard disk
- hard drive
- HDD
- head
- install
- laserdisc
- library
- magnetic disk
- MP3
- MS-DOS
- overwrite
- peripheral device
- PVR
- read-write head
- save
- sector
- storage
- storage device
- tape streamer
- WORM
- accretion disk
- artemisia
- aster
- Aton
- audiodisk
- barbell
- basal disk
- bay
- Belleville spring