Disc or disk may refer to:

Science and technology

Computing

  • Disk storage, a data storage mechanism based on a rotating disk
  • Floppy disk
  • Optical disc
  • Hard disk drive

Mathematics

  • Disk (mathematics), the region in a plane bounded by a circle
  • Absolutely convex set of a real or complex vector space

Biology

  • Intervertebral disc, a cartilage between vertebrae in vertebrate animals
  • Disk, a part of a flower
  • Death-inducing signaling complex (DISC), a protein complex

Arts and entertainment

  • Disc (band), an American experimental music band 1997–1999
  • Disk, a 1995 promotional EP for "Everytime You Touch Me" by Moby
  • Disc (magazine), a British music magazine 1958–1975

Sports

  • Discus throw or disc throw, a track and field event involving a heavy disc
  • Frisbee, or disc, a gliding toy or sporting item
  • Delaware Independent School Conference (DISC), a high-school athletic conference
  • Dundee International Sports Centre (DISC), a sports centre in Scotland

Other uses

  • DISC assessment, a pseudoscientific personality testing tool
  • Disc harrow, a farm implement for surface tillage
  • Disc number, numbers assigned to Inuit by the Government of Canada
  • Galactic disc, a component of disc galaxies
  • Defence Intelligence and Security Centre (DISC), formerly at MOD Chicksands base, England
  • Domestic international sales corporation (DISC), a provision in U.S. tax law
  • International Symposium on Distributed Computing (DISC), an academic conference
  • Confederation of Revolutionary Trade Unions of Turkey (Türkiye Devrimci İşçi Sendikaları Konfederasyonu, DİSK)

See also

  • Spelling of disc
  • Cylinder (disambiguation)
  • Discus (disambiguation)