Data storage

• Aluminum disc, a magnetic recording disc used mainly for early radio recordings
• Blu-ray Disc, a high-density optical disc intended mainly for video storage
• Compact Disc, a form of optical disc used mainly for audio data
• Disc film, a still-photography film format
• Disk storage, a general category of data storage mechanisms
• DVD, a form of optical disc used mainly for video and other data
• Enhanced Versatile Disc, an optical medium-based digital audio/video format under development (shortform EVD)
• Floppy disk, a magnetic data storage device using a flexible disc
• Hard disk drive, a non-volatile magnetic data storage device
• HD DVD, a high-density optical disc intended mainly for video storage
• Laserdisc, the first commercial optical disc storage medium
• MiniDisc, a magneto-optical disc-based data storage device
• Optical disc, a polycarbonate disc
• RAM disk, a volatile solid state drive
• Transcription disc, a gramophone record
• A generic name for secondary storage in a computer

Science

• Accretion disk, diffuse material in orbital motion around a central body such as a star or black hole
• Death Inducing Signaling Complex, in biology, a multi-protein complex formed by members of the death receptor family of apoptosis-inducing cellular receptors
• Debris disk, a ring shaped circumstellar disk of dust and debris in orbit around a star
• DISC1 (Disrupted in Schizophrenia 1), a human gene with a wide array of interactions
• DISC assessment, in psychology, a group of psychometric tests based on the work of William Moulton Marston
• Disc (galaxy), a disc-shaped group of stars
• Disk (mathematics), the region in a plane surrounded by a circle
• Intervertebral disc, in biology, part of the spine of an animal
• Protoplanetary disk, a rotating disc of dense gas surrounding a newly formed star, a form of accretion disc
• Scattered disc, a distant region of the Solar System thinly populated by icy minor planets
• Unit disk, a disc (mathematics) with radius one

Motoring

• Disc brake, a device for slowing or stopping the rotation of a wheel
• Disc parking, a parking regulation with free parking when using a parking disc (clock disc)
• Tax disc, a vehicle licence receipt placed inside the windscreen in the United Kingdom

Other uses

• DİSK, the Confederation of Revolutionary Trade Unions of Turkey
• Disc jockey, a person who selects and plays pre-recorded music for an audience
• Flying disc, a throwing toy or Frisbee
• Dundee International Sports Centre, a sports centre in Scotland
• Defence Intelligence and Security Centre, headquarters of the British Army Intelligence Corps
• Delaware Independent School Conference, a high-school sports conference

See also

• Spelling of disc