From Wikipedia, the free encyclopedia

Coil or COIL may refer to:


  • Helix, a space curve that winds around a line
  • Spiral, a curve that winds around a central point

Science and technology[edit]

  • Coil (chemistry), a tube used to cool and condense steam from a distillation
  • Coil spring, used to store energy, absorb shock, or maintain a force between two surfaces
  • Inductor or coil, a passive two-terminal electrical component
  • Electromagnetic coil, formed when a conductor is wound around a core or form to create an inductor or electromagnet
    • Induction coil, a type of electrical transformer used to produce high-voltage pulses from a low-voltage direct current supply
      • Ignition coil, used in internal combustion engines to create a pulse of high voltage for a spark plug
  • Intrauterine device or coil, a contraceptive device
  • Chemical oxygen iodine laser, a near–infrared chemical laser
  • Coil, a binary digit or bit in some communication protocols such as Modbus
  • COIL, the gene that encodes the protein coilin
  • Coiled tubing, a long metal pipe which is supplied spooled on a large reel


Fictional entities[edit]

  • The Coil, a fictional organization in the G.I. Joe universe
  • Magnemite or Coil, a Pokémon character
  • Coil, a crime lord from the web serial Worm

People with the surname[edit]

Other uses[edit]

See also[edit]