coil

• Substantivo que designa uma estrutura ou objeto formado ao enrolar algo numa série contínua de voltas, como uma forma espiralada, um componente de transformador, um dispositivo intrauterino ou um trecho de tubo enrolado em espiral.

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.

   Estrutura em espiral ou em laço

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

   Sinônimosconvolutioncurlloopringspiraltwistvolutewhorl

2. Concentric circular shapeB1formal

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

   Espiral

   • 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.

   Sinônimosconvolutioncurlloopringspiralwhorl

3. Ignition coilB2formaltechnical

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

   Bobina de ignição

   • 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.

   Sinônimosignition coilspark coil

4. Intrauterine device (IUD)B2formalmedical

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

   Dispositivo intrauterino (DIU)

   • 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.

   Sinônimosloop

5. Spiral tubingB2formaltechnical

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

   Serpentina

   • 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.

   Sinônimosloopspiralwinding

6. Inductor coilC1formaltechnical

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

   Bobina de indutância

   • 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.

   Sinônimoschokeinductorreactorsolenoid

• Verbo usado para descrever a ação de enrolar ou torcer algo em uma série de voltas ou em forma de espiral.

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.

   Enrolar em espiral

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

   Sinônimoscurlentwineloopspiraltwinetwistwind

   Antônimosstraightenuncoilunwind

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.

   Fazer rolinhos de argila

   • 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.

   Enrolar

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

   Sinônimoscurlentwineloopspiraltwinetwistwindwrap

   Antônimosstraightenuncoilunwind