Disc

Look up disc or disk in Wiktionary, the free dictionary.

Disc, Disk, DISC or DISK may refer to:

Data storage

Disk storage, a general category of data storage mechanisms Also a generic name for secondary storage in a computer

• Magnetic disc
  • Aluminum disc, a magnetic recording disc used mainly for early radio recordings
  • Floppy disk, a magnetic data storage device using a flexible disc
  • Hard disk drive, a non-volatile magnetic data storage device
  • Transcription disc, a gramophone record
• Optical disc, a polycarbonate disc
  • Blu-ray Disc, a high-density optical disc intended mainly for video storage
  • Compact Disc (CD), a form of optical disc used mainly for audio data
  • DVD, a form of optical disc used mainly for video and other data
  • Enhanced Versatile Disc (EVD), an optical medium-based digital audio/video format under development
  • HD DVD, a high-density optical disc intended mainly for video storage
  • Holographic Versatile Disc (HVD), a next generation ultra-high-density optical disc format replacement for blu-ray
  • Laserdisc (LD), the first commercial optical disc storage medium
  • MiniDisc (MD), a magneto-optical disc-based data storage device
• Disc film, a still-photography film format
• RAM disk, a volatile solid state drive
• Vinyl-disc, a record combining a CD or DVD and a gramophone

Science

Astronomy

• Accretion disk, diffuse material in orbital motion around a central body such as a star or black hole
• Debris disk, a ring shaped circumstellar disk of dust and debris in orbit around a star
• Disc (galaxy), a disc-shaped group of stars
• 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

Biology

• Death Inducing Signaling Complex, a multi-protein complex formed by members of the death receptor family of apoptosis-inducing cellular receptors
• Disk, in botany, a part of a flower, the definition of which can be found on the List of plant morphology terms
• Intervertebral disc, in animal anatomy, part of the spine
• Optic disc in the retina

Mathematics

• Disk (mathematics), the region in a plane surrounded by a circle
• Disk algebra
• Unit disk, a disk with radius one

Psychology

• 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

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

• DISC, an academic conference (International Symposium on Distributed Computing)
• Disc (band), an American experimental music band
• Disc (magazine), a British music magazine, at one time known as Disc and Music Echo
• Disc harrow, a farm implement
• Disc jockey, a person who selects and plays pre-recorded music for an audience
• Discworld, a comedic fantasy book series by the British author Terry Pratchett
• Flying disc, a throwing toy or Frisbee
• DİSK, the Confederation of Revolutionary Trade Unions of Turkey
• 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
• Digital Image Submission Criteria, a metadata standard used in magazine publishing

See also

• Spelling of disc

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