Spiral
In mathematics, a spiral is a curve which emanates from a point, moving farther away as it revolves around the point.
Helices
Two major definitions of "spiral" in the American Heritage Dictionary are: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
An electromagnetic coil is an electrical Electrical conductivity, conductor such as a wire in the shape of a wiktionary:coil, coil (spiral or helix). Electromagnetic coils are used in electrical engineering, in applications where electric curre ...
, formed when a conductor is wound around a core or form to create an inductor or electromagnet
**
Induction coil
An induction coil or "spark coil" (archaically known as an inductorium or Ruhmkorff coil after Heinrich Rühmkorff) is a type of electrical transformer used to produce high-voltage pulses from a low-voltage direct current (DC) supply. p.98 To ...
, 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
An intrauterine device (IUD), also known as intrauterine contraceptive device (IUCD or ICD) or coil, is a small, often T-shaped birth control device that is inserted into the uterus to prevent pregnancy. IUDs are one form of long-acting rever ...
bit
The bit is the most basic unit of information in computing and digital communications. The name is a portmanteau of binary digit. The bit represents a logical state with one of two possible values. These values are most commonly represented a ...
in some communication protocols such as Modbus
* COIL, the gene that encodes the protein coilin
* Coiled tubing
Music
* Coil (band), an English experimental band
* ''Coil'' (album), a 1997 album by Toad the Wet Sprocket
* "Coil", a song by Opeth from ''
Watershed
Watershed is a hydrological term, which has been adopted in other fields in a more or less figurative sense. It may refer to:
Hydrology
* Drainage divide, the line that separates neighbouring drainage basins
* Drainage basin, called a "watershe ...
''
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''
Loop (disambiguation)
Loop or LOOP may refer to:
Brands and enterprises
* Loop (mobile), a Bulgarian virtual network operator and co-founder of Loop Live
* Loop, clothing, a company founded by Carlos Vasquez in the 1990s and worn by Digable Planets
* Loop Mobile, ...