Coil

Coil or COIL may refer to:

Geometry

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

Science and technology

• 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

Music

• Coil (band), an English experimental band
• Coil (album), a 1997 album by Toad the Wet Sprocket
• "Coil", a song by Opeth from Watershed

Fictional entities

• 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

• Alison Coil, American astrophysicist
• Liam Mac Cóil, Irish novelist

Other uses

• Coil (hieroglyph), an Egyptian hieratic hieroglyph
• Coiled basketry, using grasses, rushes and pine needles
• Coiling (pottery), a method of creating pottery
• Coil (video game), a video game by Edmund McMillen and Florian Himsl
• Turmoil or burden, as in mortal coil
• Coiling, a method for storing rope or cable

See also

• Helix (disambiguation)
• Loop (disambiguation)
• Spiral (disambiguation)
• All pages with titles containing coil
• All pages with titles containing coiling