Spool

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Spool may refer to:

  • Bobbin, a cylinder or reel on which a quantity of thread, yarn or wire is wound for use in a particular machine or device
  • Cable reel, used to carry various types of electrical wires
  • Spool (record label), active 1998–2008
  • Spool (software company), a software company that allows users to save video and text onto their mobile devices to view the content offline
  • Spool pin, a type of pin used in pin tumbler locks to prevent picking
  • Spooling, a form of multi-programming for the purpose of copying data between different devices
    • The Spooler, an operating system enhancement that provided spooling facilities for some IBM computers
  • Spooling up, increasing RPMs and thrust in a jet engine after the throttle has been advanced
  • Spool, the unit of rotating components inside a jet engine; see Turbofan#Turbofan configurations