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coil

DEFINITIONS OF: coil

n a round shape formed by a series of concentric circles (as formed by leaves or flower petals)

Synonyms:: curl, curlicue, gyre, ringlet, roll, scroll, whorl

Types:: show 5 types...; hide 5 types...; corolla
(botany) the whorl of petals of a flower that collectively form an inner floral envelope or layer of the perianth; calyx
(botany) the whorl of sepals of a flower collectively forming the outer floral envelope or layer of the perianth enclosing and supporting the developing bud; usually green; verticil
a whorl of leaves growing around a stem; hull
persistent enlarged calyx at base of e.g. a strawberry or raspberry; pappus
calyx composed of scales or bristles or featherlike hairs in plants of the Compositae such as thistles and dandelions

Type of:: round shape
a shape that is curved and without sharp angles

n a structure consisting of something wound in a continuous series of loops

“a coil of rope”

Synonyms:: helix, spiral, volute, whorl

Types:: hank
a coil of rope or wool or yarn; skein
coils of worsted yarn

Type of:: construction, structure
a thing constructed; a complex entity constructed of many parts

n tubing that is wound in a spiral

Types:: condenser
a hollow coil that condenses by abstracting heat

Type of:: tube, tubing
conduit consisting of a long hollow object (usually cylindrical) used to hold and conduct objects or liquids or gases

n reactor consisting of a spiral of insulated wire that introduces inductance into a circuit

Types:: show 13 types...; hide 13 types...; armature
coil in which voltage is induced by motion through a magnetic field; astatic coils
an arrangement of coils used in sensitive electrical instruments; the coils are arranged to give zero resultant external magnetic field when a current passes through them and to have zero electromotive force induced in them by an external magnetic field; choke, choke coil, choking coil
a coil of low resistance and high inductance used in electrical circuits to pass direct current and attenuate alternating current; field coil, field winding
the electric coil around a field magnet that produces the magneto motive force to set up the flux in an electric machine; induction coil
a coil for producing a high voltage from a low-voltage source; primary, primary coil, primary winding
coil forming the part of an electrical circuit such that changing current in it induces a current in a neighboring circuit; head, read/write head
(computer science) a tiny electromagnetic coil and metal pole used to write and read magnetic patterns on a disk; secondary, secondary coil, secondary winding
coil such that current is induced in it by passing a current through the primary coil; solenoid
a coil of wire around an iron core; becomes a magnet when current passes through the coil; tickler coil
a small coil in series with the anode of a vacuum tube and coupled to the grid to provide feedback; ignition coil
an induction coil that converts current from a battery into the high-voltage current required by spark plugs; rotor, rotor coil
the rotating armature of a motor or generator; spark coil
an induction coil used to create sparks

Type of:: reactor
an electrical device used to introduce reactance into a circuit

n a contraceptive device placed inside a woman's womb

Type of:: birth control device, contraceptive, contraceptive device, preventative, preventive, prophylactic device
an agent or device intended to prevent conception

n a transformer that supplies high voltage to spark plugs in a gasoline engine

Type of:: transformer
an electrical device by which alternating current of one voltage is changed to another voltage

v to wind or move in a spiral course

“the muscles and nerves of his fine drawn body were coiling for action”

“black smoke coiling up into the sky”

Synonyms:: gyrate, spiral

Type of:: turn
change orientation or direction, also in the abstract sense

v make without a potter's wheel

Synonyms:: hand-build, handbuild

Type of:: forge, form, mold, mould, shape, work
make something, usually for a specific function

v wind around something in coils or loops

Synonyms:: curl, loop

Antonyms:: uncoil
unwind or untwist

Type of:: roll, twine, wind, wrap
arrange or or coil around

Launch

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