coil

• Nom désignant une structure ou un objet formé par l'enroulement de quelque chose en une série continue de boucles, par exemple une forme en spirale, un composant de transformateur, un contraceptif ou un tuyau enroulé en spirale.

A noun referring to a structure or object formed by winding something in a continuous series of loops, such as a spiral shape, a transformer component, a contraceptive device, or a length of tubing wound in a spiral.

1. Spiral or looped structureB1formal

   A structure made by winding something in a continuous series of loops.

   Spire, boucle, enroulement

   • The rope was wound into a tight coil.
   • She carefully arranged the wire in a coil.
   • A coil of smoke rose from the chimney.

   Synonymesconvolutioncurlloopringspiraltwistvolutewhorl

2. Concentric circular shapeB1formal

   A round shape formed by a series of concentric circles, similar to a spiral.

   spirale

   • The fern frond unfurled in a perfect coil.
   • The snake lay in a coil on the warm rock.
   • The artist painted a coil of leaves and petals.

   Synonymesconvolutioncurlloopringspiralwhorl

3. Ignition coilB2formaltechnical

   A transformer in a gasoline engine that supplies high voltage to the spark plugs.

   Bobine d'allumage

   • The mechanic replaced the faulty ignition coil.
   • A bad coil can cause the engine to misfire.
   • The car's coil needs to be checked regularly.

   Synonymesignition coilspark coil

4. Intrauterine device (IUD)B2formalmedical

   A small, T-shaped contraceptive device placed inside a woman's womb to prevent pregnancy.

   stérilet

   • She decided to get a coil fitted for long-term contraception.
   • The doctor explained the benefits of using a coil.
   • The coil is a highly effective form of birth control.

   Synonymesloop

5. Spiral tubingB2formaltechnical

   A length of tubing that is wound in a spiral shape, often used for cooling or heating.

   serpentin (tube en spirale)

   • The refrigerator uses a coil of copper tubing.
   • The heating system includes a coil that transfers heat.
   • The coil in the air conditioner needs to be cleaned.

   Synonymesloopspiralwinding

6. Inductor coilC1formaltechnical

   A reactor consisting of a spiral of insulated wire that introduces inductance into an electrical circuit.

   bobine d'inductance

   • The circuit includes a coil to filter out high-frequency noise.
   • The engineer designed a coil with a specific inductance value.
   • The radio uses a coil to tune into different frequencies.

   Synonymeschokeinductorreactorsolenoid

• Verbe utilisé pour décrire l'action d'enrouler ou de tordre quelque chose en une série de boucles ou en forme de spirale.

A verb used to describe the action of winding or twisting something into a series of loops or a spiral shape.

1. Wind in a spiralB1formal

   To wind or move in a spiral or circular course.

   S'enrouler en spirale

   • The snake coiled around the branch.
   • Smoke coiled upward from the chimney.
   • The road coiled through the mountains.

   Synonymescurlentwineloopspiraltwinetwistwind

   Antonymesstraightenuncoilunwind

2. Make without a potter's wheelB2formal

   To shape clay into a pot or vessel by building up coils of clay, without using a potter's wheel.

   Modeler au colombin

   • She learned to coil clay pots by hand.
   • The artisan coiled the clay to form a vase.
   • Ancient cultures often coiled their pottery.

3. Wind around somethingB1formal

   To wind something around an object in loops or coils.

   Enrouler en spirale

   • He coiled the rope around the post.
   • She coiled the wire neatly for storage.
   • The hose was coiled around the garden faucet.

   Synonymescurlentwineloopspiraltwinetwistwindwrap

   Antonymesstraightenuncoilunwind