§ What does 'coil' mean?
The word 'coil' is quite versatile and can function as both a noun and a verb. At its core, it refers to something wound or twisted into a circular or spiral shape. Imagine a snake curled up, a length of rope neatly wound, or even a spring inside a pen – these are all examples of a 'coil'. Understanding this basic image is key to grasping the various ways the word is used.
- DEFINITION
- As a noun, a coil is a series of loops or rings into which something, especially a length of rope, wire, or hair, is wound or twisted. As a verb, to coil means to wind or be wound into such a shape.
When used as a noun, 'coil' typically describes a physical object or a formation. Think of electrical components like an induction coil, which is a device that stores energy in a magnetic field. Or consider a more everyday example like a 'coil of rope' that a sailor might have on a boat. The key characteristic is the winding or twisting pattern that creates a series of rings or loops.
The gardener carefully gathered the hose into a neat coil after watering the plants.
As a verb, 'to coil' describes the action of forming something into this distinctive shape. You might say a snake 'coiled itself' around a branch, or that someone 'coiled the electrical cord' before putting it away. It can also be used in a passive sense, such as 'the smoke coiled upwards' from the chimney, suggesting a swirling, winding movement.
The cat began to coil its tail around its paws, preparing for a nap.
§ When do people use 'coil'?
People use 'coil' in a variety of contexts, often to describe things that are wound, twisted, or spiral. Here are some common situations:
- Describing objects: It's frequently used for items designed to be coiled, like springs, wires, ropes, and hoses. For example, 'a heating coil' in an oven or 'a coil of barbed wire'.
- Describing natural formations: Animals, particularly snakes, are often described as coiling. 'A snake in a defensive coil' is a common image. Hair can also be described as coiling, especially when it's curly or styled in spirals.
- Describing movement: The verb form is excellent for conveying a winding or spiraling motion. Smoke, mist, or even a path can 'coil' around something.
- Figurative language: Sometimes, 'coil' can be used figuratively to suggest something that is hidden, convoluted, or about to spring into action. For instance, 'the coils of bureaucracy' implies a complex and tangled system, or 'he felt tension coil in his stomach' to describe a feeling of apprehension.
The CEFR B1 level indicates that you should be able to understand the main points of clear standard input on familiar matters regularly encountered in work, school, leisure, etc. For 'coil', this means you should recognize its meaning in straightforward contexts related to physical objects or simple actions. You might encounter it in descriptions of tools, nature, or even in instructions. For instance, understanding a phrase like 'the electrical cable was coiled neatly' would be typical at this level.
Understanding the nuances between the noun and verb forms is crucial for proper usage. When you see 'coil' as a noun, look for an article (a, an, the) or an adjective preceding it, and expect it to refer to a thing. When it's a verb, it will typically follow a subject and describe an action. Paying attention to these grammatical cues will help you correctly interpret its meaning in various sentences.
レベル別の例文
The electrician carefully wound the copper wire into a neat coil.
Electricista enrolló cuidadosamente el cable de cobre en una bobina limpia.
Here, 'coil' is used as a noun, referring to the wound shape of the wire.
She gathered her long hair and tied it into a loose coil on top of her head.
Recogió su largo cabello y lo ató en un moño suelto sobre su cabeza.
Again, 'coil' is a noun, describing a bun or twisted shape of hair.
The snake began to coil its body around the branch, preparing to strike.
La serpiente comenzó a enrollar su cuerpo alrededor de la rama, preparándose para atacar.
Here, 'coil' is used as a verb, meaning to wind or twist around something.
He had to uncoil the garden hose before he could water the plants.
Tuvo que desenrollar la manguera de jardín antes de poder regar las plantas.
'Uncoil' is the opposite action of 'coil', meaning to unwind.
The spring in the old clock had a tight coil that allowed it to keep time accurately.
El resorte del reloj antiguo tenía una espiral apretada que le permitía mantener la hora con precisión.
'Coil' as a noun, referring to the spiral shape of a spring.
The smoke began to coil upwards from the campfire, disappearing into the night sky.
El humo comenzó a elevarse en espiral desde la fogata, desapareciendo en el cielo nocturno.
Here, 'coil' is a verb, describing the spiraling movement of the smoke.
She found a small coil of rope in the shed, which was perfect for tying up the plants.
Encontró un pequeño rollo de cuerda en el cobertizo, que era perfecto para atar las plantas.
'Coil' as a noun, referring to a length of rope wound into a circular shape.
The artist used a special tool to coil the thin metal wires into intricate designs.
El artista usó una herramienta especial para enrollar los delgados alambres de metal en diseños intrincados.
'Coil' as a verb, meaning to twist or wind into a specific shape.
よく使う組み合わせ
よく使うフレーズ
The snake coiled around the branch.
La serpiente se enroscó alrededor de la rama.
He carefully coiled the hose.
Enrolló cuidadosamente la manguera.
She tied her hair in a neat coil.
Se ató el pelo en una espiral pulcra.
The electrical coil was damaged.
La bobina eléctrica estaba dañada.
A coil of smoke rose from the chimney.
Una espiral de humo subió por la chimenea.
The wires were neatly coiled.
Los cables estaban perfectamente enrollados.
The spring was tightly coiled.
El muelle estaba bien enrollado.
He unwound a coil of rope.
Desenredó un rollo de cuerda.
The machine has a cooling coil.
La máquina tiene un serpentín de enfriamiento.
Her braids were in thick coils.
Sus trenzas estaban en gruesas espirales.
暗記しよう
記憶術
Imagine a **C**ircular **O**bject **I**n a **L**oop. This can help you remember that a coil is something wound in loops.
視覚的連想
Picture a snake coiling up. The way its body forms tight, circular loops is a perfect visual for the word 'coil.'
Word Web
チャレンジ
Describe five different things in your house or environment that are coiled or could be coiled.
よくある質問
10 問Certainly! A common example is a coil of rope, like what sailors might use. You also see coils in everyday items, such as the heating element in a toaster, which is a coil of wire, or even a person's curly hair can be described as having coils.
That's a great question! As a noun, 'coil' refers to the object itself – the series of loops, like a 'coil of wire.' As a verb, 'coil' means the action of forming those loops, for example, 'The snake coiled itself around the branch' or 'He coiled the hose neatly.'
Not necessarily always a perfect circle, but it does imply a curving or winding shape. Think of a spring; it's a coil, but it's more helical. The key is the repetitive looping or twisting motion that creates a compact form.
Yes, absolutely! If something is coiled, it can certainly be uncoiled. For example, you might 'uncoil a garden hose' to stretch it out, or a snake might 'uncoil itself' to move.
Good question for expanding your vocabulary! For the noun, you could consider words like 'spiral,' 'helix,' 'loop,' or 'ring.' As a verb, synonyms include 'wind,' 'twist,' 'curl,' or 'roll.'
Yes, it's quite a common word, especially given its CEFR B1 level. You'll encounter it in descriptions of various objects and actions. It's a useful word to know for understanding how things are shaped or organized.
That's an interesting challenge! While 'coil' is often literal, you could use it figuratively. For instance, 'A coil of anxiety tightened in her stomach.' Here, 'coil' suggests a feeling that is twisting and constricting.
That's a subtle distinction! A 'coil' usually implies a more tightly wound, often cylindrical or spiral shape, where the material itself forms the loops. A 'roll' can be similar but might be less about the inherent looping and more about something being formed into a cylindrical shape, like a 'roll of paper towels' or a 'cinnamon roll.'
Indeed, it does! In science and engineering, 'coil' often refers to a wire wound into a spiral or helix, especially in electrical applications like an 'electrical coil' in a motor or generator. It's also used in plumbing for a 'heating coil' or a 'cooling coil.'
It's pronounced with a long 'o' sound followed by an 'il' sound, so it's like 'koyl.' The 'oi' sound is similar to the 'oi' in 'oil' or 'boil.'
自分をテスト 60 問
Listen to the verb.
Listen to the noun.
Listen for the instruction.
Read this aloud:
Can you coil the hose?
Focus: coil
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Read this aloud:
The wire was in a tight coil.
Focus: tight coil
あなたの回答：
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Read this aloud:
A spring is a type of coil.
Focus: spring, coil
あなたの回答：
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This sentence describes winding a rope into a coil.
This sentence describes how a snake made itself into a coil.
This sentence talks about a coil that is made of wire.
Imagine you are explaining to a friend how to store a garden hose neatly. Describe how you would coil it to keep it tidy.
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Sample answer
When you're done using the garden hose, it's best to coil it up. Start at one end and make nice, even loops. Keep winding it around until it's all in a neat coil. This way, it won't get tangled and will be easy to use next time.
Describe a time you saw something that was coiled, like a snake or a rope. What did it look like?
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Sample answer
I once saw a snake coiled up on a rock in the sun. It was all wound around itself, making a tight, circular shape. Its body was in several loops, and it looked very relaxed in its coil.
You are giving instructions on how to make a simple bracelet from wire. Explain how to coil the wire to create a decorative element.
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Sample answer
To make a decorative part of your bracelet, you can coil the wire. Take a small piece of wire and start winding it tightly around a pen or a thin stick. This will create a small, neat coil that you can then attach to your bracelet.
Why did the electrician need to uncoil the cable?
Read this passage:
The electrician carefully unwound the long electrical cable. He needed to find a specific part of the circuit, and the cable had been stored in a large coil. It took him a few minutes to untangle the wires and lay them out straight on the floor.
Why did the electrician need to uncoil the cable?
The passage states, 'He needed to find a specific part of the circuit, and the cable had been stored in a large coil.'
The passage states, 'He needed to find a specific part of the circuit, and the cable had been stored in a large coil.'
What is Sarah coiling?
Read this passage:
Sarah loved to wear her hair in a beautiful, intricate coil on top of her head for special occasions. It took a lot of effort to twist and pin each section of hair into place, but the result was always stunning. Her friends often asked her how she managed to create such a perfect coil.
What is Sarah coiling?
The passage explicitly mentions 'Sarah loved to wear her hair in a beautiful, intricate coil'.
The passage explicitly mentions 'Sarah loved to wear her hair in a beautiful, intricate coil'.
What is the importance of a well-coiled rope for the mountain climber?
Read this passage:
The mountain climber checked his rope before beginning the ascent. He made sure the rope was perfectly coiled and free of any knots or tangles. A well-coiled rope is essential for safety during a climb, as it can be deployed quickly and without incident.
What is the importance of a well-coiled rope for the mountain climber?
The passage states, 'A well-coiled rope is essential for safety during a climb, as it can be deployed quickly and without incident.'
The passage states, 'A well-coiled rope is essential for safety during a climb, as it can be deployed quickly and without incident.'
The electrician carefully unwound the copper ___ from its spool before connecting it to the circuit.
A 'coil' specifically refers to wire wound into loops, which fits the context of an electrician and a circuit.
She gathered her long hair into a neat ___ at the nape of her neck.
When hair is wound or twisted into a series of loops, it forms a 'coil'.
The snake began to ___ its body around the branch, preparing to strike.
To 'coil' means to wind or be wound into a series of loops, which describes the snake's action.
As the spring began to ___, it created a powerful tension that propelled the mechanism forward.
A spring 'coils' as it is wound, which stores energy and creates tension.
The sailor expertly handled the thick ___ of rope, securing the ship to the dock.
A 'coil' is a common term for rope wound into a series of loops, especially in a nautical context.
During the winter, many animals ___ up in their dens to stay warm and conserve energy.
To 'coil up' means to curl into a tight, compact shape, which animals do to keep warm.
The electrician carefully wound the copper wire into a neat _____ before installing it.
A 'coil' specifically refers to something wound into a series of loops or rings, which perfectly describes how wire is handled in this context. The other options don't fit the action of winding wire.
She braided her long hair into an elegant _____ at the back of her head for the formal event.
When hair is styled in loops or a circular shape, especially for an updo, it's often described as a 'coil' or a 'coiled' style. 'Knot' implies a tighter, often haphazard tying, 'tangle' is messy, and 'strand' refers to a single piece of hair.
The spring in the old clock had lost its tension; it was no longer able to maintain its tight _____.
A spring is characterized by its wound, circular or helical shape, which is precisely what 'coil' describes. While 'spiral' and 'helix' are related, 'coil' is the most common and appropriate term for a spring's structure in this context. 'Ring' is too simplistic.
If you coil a rope, you are likely untangling it.
To 'coil' a rope means to wind it into a series of loops or rings, typically to keep it neat and prevent tangling, not to untangle it.
A snake can 'coil' itself before striking its prey.
Snakes often wind their bodies into a compact, spiraled shape, which is accurately described as 'coiling', especially when preparing to strike.
A 'coil' always refers to something made of metal.
The definition of 'coil' explicitly states it can apply to rope, wire, or hair, demonstrating it's not limited to metal.
The electrician carefully unwound the intricate _______ of wires before beginning the repair.
A 'coil' specifically refers to a series of loops or rings, which fits the context of unwinding intricate wiring.
She watched as the snake _______ itself around the branch, its scales glinting in the sunlight.
To 'coil' is to wind or be wound into a series of loops, which is a precise description of how a snake moves around a branch.
The gardener neatly formed a _______ of hose after watering the plants, ensuring it wouldn't tangle.
A 'coil' is the most appropriate term for a length of hose wound into a series of loops.
With a quick flick of her wrist, she managed to _______ the rope into a compact bundle.
To 'coil' the rope means to wind it into a series of loops, making it compact.
The ancient spring mechanism relied on a tightly wound metal _______ to generate power.
In this context, 'coil' refers to the wound series of metal, often found in spring mechanisms.
Her long, flowing hair often fell in soft _______ around her shoulders.
Hair can form 'coils' when it is naturally curly or styled into loops.
Listen for how the wire is shaped.
Listen for the snake's movement.
Listen for the action taken with the ropes.
Read this aloud:
The ancient spring mechanism was intricately coiled, suggesting a complex design.
Focus: coiled, intricately
あなたの回答：
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Read this aloud:
She braided her long hair into a tight coil at the nape of her neck, a classic and elegant style.
Focus: braided, coil, nape
あなたの回答：
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Read this aloud:
The electrical coil within the motor generates a powerful magnetic field, crucial for its operation.
Focus: electrical, coil, generates
あなたの回答：
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The detective discovered a tightly wound ___ of ancient papyrus in the hidden chamber, suggesting a forgotten civilization's secrets.
A 'coil' refers to something wound into a series of loops, perfectly fitting the description of the papyrus.
As the formidable serpent began to ___, its powerful muscles rippled beneath its scales, preparing to strike with lethal precision.
To 'coil' as a verb means to wind or be wound into a spiraled shape, which is what a snake does when preparing to strike.
The artist meticulously arranged the intricate ___ of wire to form a mesmerizing sculpture that defied conventional notions of form and structure.
Here, 'coil' refers to a series of loops of wire, which is a common material for sculptures.
Despite the immense pressure, the sophisticated mechanism continued to ___ and uncoil with remarkable fluidity, performing its vital function without falter.
The phrase 'coil and uncoil' indicates the movement of a mechanism that winds and unwinds, making 'coil' the appropriate verb.
The physicist theorized that the subatomic particles would begin to ___ into a nascent black hole under conditions of extreme gravitational stress.
In this context, 'coil' implies the particles winding together to form a denser structure, analogous to a black hole's formation.
Her elaborate updo featured a delicate ___ of braided hair, adorned with tiny pearls, adding a touch of timeless elegance to her ensemble.
A 'coil' of hair is a common description for a section of hair wound into a circular or spiral shape, often seen in updos.
Elaborate on the metaphorical implications of a 'coil' in the context of societal pressure and individual resilience. Discuss how individuals might metaphorically 'uncoil' or become 'coiled' by external forces.
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Sample answer
In a societal context, a 'coil' can powerfully symbolize the relentless pressures and expectations that gradually constrict an individual's autonomy and spirit. Economic hardship, rigid social norms, or systemic injustices can act as the tightening coils, leading to a feeling of being trapped or compressed. Conversely, 'uncoiling' represents the act of breaking free, often through acts of resistance, self-discovery, or profound personal transformation. This process demands immense resilience, as individuals must actively resist the forces that seek to bind them, slowly regaining their original form and agency. The struggle to uncoil can be protracted and arduous, signifying a battle against ingrained societal structures and internal limitations, ultimately leading to a more liberated and authentic existence.
Compose a short narrative, approximately 150-200 words, where the literal and figurative meanings of 'coil' are interwoven. The narrative should feature a character who is physically coiling something while simultaneously grappling with a complex emotional 'coil' within themselves.
Well written! Good try! Check the sample answer below.
Sample answer
Elias meticulously began to coil the weathered hawser, its thick fibers rough against his calloused hands. Each loop he laid down, perfectly aligned with the last, was a deliberate act, a desperate attempt to impose order on the chaos brewing within him. His sister’s cutting words from yesterday, a verbal 'coil', had wrapped themselves around his heart, tightening with every passing hour. He felt the familiar constriction, a knot of resentment and hurt that seemed to grow with each breath. As the rope formed a neat stack, a reflection of his desire for composure, the emotional coil in his chest only seemed to pull tighter, threatening to unravel the fragile peace he desperately sought. He knew he needed to untangle that internal knot, to loosen the grip of her judgment, just as he had now mastered the recalcitrant rope.
Analyze the etymological journey of the word 'coil' and its evolution in meaning from its historical roots to its contemporary usage. Discuss how its core meaning of 'winding' or 'gathering' has manifested in its diverse applications as both a noun and a verb.
Well written! Good try! Check the sample answer below.
Sample answer
The etymological trajectory of 'coil' provides a fascinating glimpse into linguistic evolution. Tracing its origins back to Old French 'coillir' (to gather, pick), and further to Latin 'colligere' (to gather, collect), the foundational meaning of 'bringing together' or 'assembling' is evident. Over time, this evolved to specifically denote the action of winding something into a spiral or circular arrangement, hence the noun form signifying a series of loops. The verb form, 'to coil,' emerged to describe this very action. This core concept of 'winding' has remained remarkably consistent across its diverse applications: from the literal coiling of rope or hair to the more abstract 'coil' of a spring or an electrical component. The term's versatility lies in its ability to encapsulate both the physical act of creation and the resulting intricate form, highlighting how a word's meaning can deepen and broaden while retaining its essential semantic core.
According to the passage, what did the alchemists hope to achieve by understanding the 'cosmic coil'?
Read this passage:
The ancient alchemists believed that the universe was composed of intertwined forces, a cosmic 'coil' of elemental energies that could be manipulated with profound knowledge. They sought to unravel this intricate design, hoping to discover the elusive quinta essentia, the fifth element, which they believed held the key to ultimate transformation. Their laboratories, filled with bubbling retorts and glowing furnaces, were arenas where they attempted to disentangle the 'coils' of nature.
According to the passage, what did the alchemists hope to achieve by understanding the 'cosmic coil'?
The passage explicitly states, 'They sought to unravel this intricate design, hoping to discover the elusive quinta essentia, the fifth element, which they believed held the key to ultimate transformation.'
The passage explicitly states, 'They sought to unravel this intricate design, hoping to discover the elusive quinta essentia, the fifth element, which they believed held the key to ultimate transformation.'
What is the primary function of the 'coils' in advanced robotics, as described in the passage?
Read this passage:
In advanced robotics, the design of flexible, multi-jointed manipulators often involves intricate 'coils' of synthetic muscle fibers. These artificial muscles are engineered to contract and relax with precision, mimicking the biological efficiency of natural organisms. The challenge lies in preventing premature wear and tear on these microscopic 'coils' under repetitive stress, a crucial factor for the longevity and reliability of robotic systems.
What is the primary function of the 'coils' in advanced robotics, as described in the passage?
The passage states, 'These artificial muscles are engineered to contract and relax with precision, mimicking the biological efficiency of natural organisms.' This indicates their function is related to movement.
The passage states, 'These artificial muscles are engineered to contract and relax with precision, mimicking the biological efficiency of natural organisms.' This indicates their function is related to movement.
What is the detective's initial assumption about the 'coiled' spring mechanism?
Read this passage:
The detective carefully examined the crime scene, his gaze drawn to the tightly 'coiled' spring mechanism of an old clock lying shattered on the floor. It was an anomaly, a relic in an otherwise sterile, modern apartment. He wondered if the intricate 'coils' of the clockwork held a hidden clue, a temporal footprint left by the culprit, or if it was merely an unrelated piece of debris.
What is the detective's initial assumption about the 'coiled' spring mechanism?
The passage states, 'He wondered... if it was merely an unrelated piece of debris,' indicating his initial thought that it might not be relevant.
The passage states, 'He wondered... if it was merely an unrelated piece of debris,' indicating his initial thought that it might not be relevant.
This sentence describes the meticulous winding of the copper coils within a transformer, emphasizing precision.
This sentence uses 'coils' to describe a dragon wrapping its body around treasure, a common motif in mythology.
This sentence uses 'coils' to describe the complex, snake-like shape of a sculpture, highlighting its intricate design.
/ 60 correct
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