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B1 noun, adjective, verb #36 پرکاربردترین 12 دقیقه مطالعه

core

رتبه 36

تمرین کن مثال‌ها نکات و راهنمایی‌ها core در ۳۰ ثانیه

توضیح core in your Level:

At the A1 level, you should learn 'core' as a physical thing. Think of an apple. When you eat an apple, you eat the sweet part. The part in the middle that you don't eat is the core. It has the seeds. You can also think of the 'core' as the middle of other fruits like pears. At this level, you don't need to worry about the abstract meanings. Just remember that 'core' means the center part of a fruit. It is a simple noun. You might hear it in a kitchen or when talking about healthy food. 'I ate the apple, but not the core.' This is a good way to start using the word. It is a concrete object you can see and touch. Learning it this way helps you build a strong foundation for the more difficult meanings you will learn later. Don't worry about using it as a verb or an adjective yet. Just focus on the physical center of a fruit. This makes the word easy to remember and use in basic conversations about food and eating.

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At the A2 level, you can start to use 'core' to talk about the center of other things, not just fruit. For example, you can talk about the 'core' of the Earth. This is the very middle of our planet. It is very hot. You might also hear about 'core muscles.' These are the muscles in your stomach and back. When you exercise, you want to make your core strong. This helps you stand up straight and not have back pain. You can also use 'core' as an adjective now. A 'core team' is the most important group of people in a project. They are the ones who do the most work or make the big decisions. At this level, 'core' means 'the most important middle part.' It is still quite simple, but you are starting to see it in more places like science class or the gym. Try to use it when you want to say something is very central or important to a group or a body.

برای خواندن توضیح کامل رایگان ثبت‌نام کنید

At the B1 level, you are ready to use 'core' for abstract ideas. This is where the word becomes very useful for expressing complex thoughts. You can talk about 'core values' or 'core beliefs.' These are the ideas that are most important to you or a company. For example, 'Honesty is a core value of our school.' This means honesty is at the heart of everything the school does. You can also use the phrase 'at the core.' If you say, 'At the core of the problem is money,' you mean that money is the most basic reason for the problem. At this level, you should also know 'core' as a verb. To 'core' an apple means to take the middle part out. This is useful for recipes. You are now seeing 'core' as a very flexible word that can be a noun, an adjective, or a verb. It helps you describe the essence of things, whether they are physical objects, parts of the body, or deep personal beliefs. It is a key word for moving from basic to intermediate English.

At the B2 level, you will encounter 'core' in more professional and academic settings. You will hear about 'core competencies' in business. These are the things a company does better than anyone else. It's their 'core' strength. In politics, you might hear about a 'core constituency,' which is the group of voters who always support a certain party. You should be able to use 'core' to distinguish between what is essential and what is secondary. For instance, in a complex argument, you can say, 'While there are many small issues, the core challenge remains the same.' This shows you can identify the most important part of a difficult situation. You might also see 'core' used in technology, like 'multi-core processors' in computers. At this level, you should feel comfortable using 'core' in various contexts to provide clarity and emphasis. You understand that 'core' implies a structural or fundamental necessity. You can use it to analyze systems, organizations, and complex theories with more precision.

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At the C1 level, your use of 'core' should be nuanced and precise. You can use it to discuss sophisticated concepts like 'core-periphery models' in geography or economics, which describe how power and resources are distributed between a central area and the surrounding regions. You might use it to describe the 'core essence' of a philosophical argument or a literary work. You understand the idiomatic use of 'to the core,' as in 'he was a rebel to the core,' meaning his entire identity was defined by rebellion. You can also use 'core' to describe the stability of a system, such as the 'core stability' of a financial market. At this level, you are not just using the word; you are using it to build complex metaphors and to provide deep analysis. You can recognize when 'core' is being used as a rhetorical device to emphasize the non-negotiable parts of a proposal or a contract. Your vocabulary is rich enough to choose 'core' over 'essential' or 'fundamental' when you want to specifically evoke the idea of a central, generative heart.

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At the C2 level, you have a complete mastery of 'core' and all its subtle implications. You can use it in highly specialized fields, from nuclear physics (the core of a reactor) to linguistics (the core meaning of a word versus its peripheral connotations). You can engage in high-level debates about 'core identities' and how they shift in a globalized world. You might use 'core' in creative writing to evoke powerful imagery, such as 'the core of a frozen star' or 'the core of a silent scream.' You understand the historical etymology of the word and how its meaning has evolved from the physical heart of a fruit to the digital heart of a computer. You can use 'core' to critique complex structures, identifying where the 'core' has become disconnected from the 'periphery.' Your usage is effortless, and you can switch between its noun, adjective, and verb forms with perfect grammatical accuracy and stylistic flair. You recognize 'core' as a foundational building block of English thought, representing the search for essence and stability in a complex world.

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تمرین کن مثال‌ها نکات و راهنمایی‌ها

core در ۳۰ ثانیه

Core refers to the central or most important part of something, whether physical like a fruit or abstract like a belief.
It can be used as a noun (the core), an adjective (core values), or a verb (to core an apple).
In fitness, it refers to the stomach and back muscles; in science, it's the center of the Earth or a star.
It is a high-frequency word essential for describing the essence or heart of any subject or system.

The word core is a versatile and fundamental term in the English language, serving as a noun, an adjective, and occasionally a verb. At its most basic level, the core is the central part of something. Imagine an apple; when you eat everything around the middle, what remains is the core, which contains the seeds. This physical representation is the foundation for all other meanings. In a broader, more abstract sense, 'core' refers to the most essential, basic, or central part of an idea, a group, or a system. It is the 'heart' of the matter. When we speak of a person's 'core values,' we are talking about the beliefs that are so central to who they are that without them, the person would be fundamentally different. In the world of fitness, the 'core' refers to the muscles in your torso, specifically the abdomen and lower back, which provide stability for the rest of your body. In science, specifically geology, the 'core' is the very center of the Earth, a hot, dense ball of metal. In every context, the 'core' is that which is indispensable and central.

Physical Center: The innermost part of a fruit or the central region of a planet.

After finishing the apple, he threw the core into the compost bin.

Essential Essence: The most important or basic part of something abstract, like an argument or a belief system.

The core of his argument was that education should be free for everyone.

When used as an adjective, 'core' describes something that is central or foundational. For instance, 'core subjects' in school are the ones everyone must take, like math and English. In business, 'core competencies' are the specific strengths that give a company its competitive advantage. As a verb, 'to core' means to remove the central part of something, usually a fruit. You might core an apple before slicing it for a pie. The versatility of 'core' allows it to move seamlessly between the kitchen, the gym, the science lab, and the boardroom. It is a word that signifies depth and importance. Whether you are talking about the core of a nuclear reactor or the core of a friendship, you are identifying the point from which everything else radiates. Understanding this word is vital for B1 learners because it appears in so many different contexts, from daily life to academic study.

Anatomical Core: The central part of the human body, including the abdominal and back muscles.

Pilates is an excellent way to strengthen your core.

The company decided to focus on its core business and sell off its smaller branches.

Please core the pears before you put them in the poaching liquid.

Using 'core' correctly depends on whether you are using it as a noun, adjective, or verb. As a noun, it often follows a possessive or an article. You might say 'the core of the issue' or 'my core.' It is frequently used in the phrase 'at the core,' which means 'at the very center' or 'fundamentally.' For example, 'At the core of the problem is a lack of communication.' This structure is very common in academic and professional writing to pinpoint the root cause of a situation. When using 'core' as an adjective, it usually precedes the noun it modifies. Common pairings include 'core values,' 'core beliefs,' 'core subjects,' and 'core team.' These adjectives help to distinguish what is essential from what is secondary or peripheral. For instance, while a company might have many employees, the 'core team' consists of the key people who make the most important decisions. This distinction is crucial in organizational contexts.

Noun Usage: Identifying the central part of a physical or abstract entity.

The core of the Earth is composed mostly of iron and nickel.

Adjective Usage: Describing something as being of central importance.

Honesty is one of our core principles.

As a verb, 'core' is less common but very specific. It is an action verb used in cooking and food preparation. You 'core' something to remove the unwanted middle part. It is a transitive verb, meaning it needs an object. You core an apple, you core a pineapple, or you core a cabbage. In technical or industrial contexts, 'coring' can also refer to the process of taking a cylindrical sample from something, like 'coring the ice' in Antarctica to study climate history. This usage is more specialized but follows the same logic of accessing the center. In sentences, 'core' often interacts with prepositions like 'of' (the core of) or 'to' (central to the core). Understanding these patterns helps you use the word naturally. Whether you are describing a workout routine or a political philosophy, 'core' provides a strong, stable foundation for your sentence structure.

Verb Usage: The act of removing the central part of an object.

The chef showed us how to core a tomato quickly.

Scientists are coring the lake bed to look for ancient pollen.

We need to get to the core of why the software keeps crashing.

You will encounter the word 'core' in a variety of real-world settings. In a gym or fitness class, you'll hear it constantly. Instructors will tell you to 'engage your core' or 'work on your core strength.' This refers to the muscles that stabilize your spine and pelvis. If you are a student, you'll hear about 'core requirements' or 'core curriculum,' which are the mandatory classes you must take to graduate. In the news, journalists often talk about the 'core issues' of an election or the 'core supporters' of a political party. This usage helps to separate the most important factors from the minor details. In the tech world, 'core' has a very specific meaning related to computer processors. A 'dual-core' or 'quad-core' processor has multiple processing units, or 'cores,' which allow the computer to handle more tasks at once. This is a very common term in electronics marketing and technical specifications.

Fitness & Health: Referring to the central muscles of the body.

A strong core can help prevent back pain and improve posture.

Technology: Referring to the individual processing units within a CPU.

This new laptop features an eight-core processor for high-speed gaming.

In the kitchen, 'core' is a practical term. You might see it on a recipe: 'Core and peel three large apples.' In science class, you'll learn about the 'Earth's core' or the 'core of a star.' These are the hottest and most pressurized parts of these celestial bodies. In literature and film criticism, you might hear about the 'core conflict' of a story, which is the main struggle that drives the plot. Even in social contexts, people talk about their 'core group of friends,' meaning the small, close-knit circle they trust the most. The word is everywhere because the concept of a 'center' is universal. Whether you are reading a scientific journal, a fitness blog, or a business report, 'core' is a high-frequency word that signals you are dealing with the most important part of the subject. It is a word that demands attention because it points to the essence of things.

Education: The essential subjects or requirements of a degree program.

Students must complete the core curriculum before they can specialize.

The core of the sun is where nuclear fusion takes place.

The core problem with the plan is that it's too expensive.

One of the most common mistakes with 'core' is confusing it with its homophones: 'corps' and 'chord.' While they sound very similar, their meanings and spellings are completely different. 'Corps' (pronounced like 'core') refers to a specialized group of people, like the 'Marine Corps' or the 'Peace Corps.' 'Chord' (pronounced with a 'k' sound) refers to a group of musical notes played together. Another common error is using 'core' when 'center' or 'middle' would be more appropriate. While they are related, 'core' implies importance and essence, whereas 'center' can just be a physical location. For example, you might sit in the 'center' of a room, but the 'core' of the room doesn't really make sense unless you're talking about its structural foundation. Using 'core' too loosely can make your writing sound overly dramatic or technical when it doesn't need to be.

Homophone Confusion: Mixing up 'core' with 'corps' (a group) or 'chord' (music).

Incorrect: He joined the Peace Core. Correct: He joined the Peace Corps.

Overuse in Simple Contexts: Using 'core' when 'middle' or 'center' is more natural for physical positions.

Awkward: I stood in the core of the park. Better: I stood in the center of the park.

Another mistake is treating 'core' as a gradable adjective. You cannot have a 'very core' belief or a 'more core' subject. Since 'core' already means 'central' or 'most essential,' it is an absolute term. You either have a core belief or you don't. Adding modifiers like 'very' or 'extremely' is redundant and grammatically incorrect. Furthermore, when using 'core' as a verb, people sometimes forget it's a specific action. You 'core' an apple, but you don't 'core' a steak (you might 'pit' a cherry or 'de-seed' a pepper). Using the wrong verb for removing parts of food is a common slip for learners. Finally, be careful with the phrase 'to the core.' While it usually means 'completely,' it is often used in negative contexts (e.g., 'rotten to the core,' 'shaken to the core'). Using it in a positive context like 'happy to the core' is possible but less common and might sound slightly off to native speakers.

Redundant Modifiers: Adding 'very' or 'most' to the adjective 'core.'

Incorrect: This is our most core value. Correct: This is our core value.

Incorrect: I need to core the pit from the peach. Correct: I need to pit the peach.

The news of the scandal shook the community to its core.

There are several words that share a similar meaning with 'core,' but each has its own nuance. 'Center' and 'middle' are the most common synonyms, but they are more general. 'Center' is often used for a precise point in space, while 'middle' is more informal and can refer to a general area. 'Essence' is a great alternative when talking about the fundamental nature of something abstract, like 'the essence of beauty.' 'Heart' is a more emotional or metaphorical synonym, as in 'the heart of the city' or 'the heart of the matter.' In scientific or technical contexts, you might use 'nucleus' (the center of a cell or atom) or 'hub' (the center of an activity or network). 'Basis' and 'foundation' are similar when talking about the starting point or underlying support of an idea. Choosing the right word depends on whether you want to sound scientific, emotional, or strictly factual.

Core vs. Center: 'Core' implies importance and essence; 'center' is often just a physical location.

The core of the apple contains seeds, while the center of the table holds a vase.

Core vs. Essence: 'Core' is often structural; 'essence' is the quality that makes something what it is.

The core of the business is its technology, but its essence is customer service.

When looking for alternatives to the adjective 'core,' you might use 'essential,' 'fundamental,' 'central,' 'primary,' or 'key.' 'Essential' suggests that the thing is necessary for survival or success. 'Fundamental' implies that it is the base upon which everything else is built. 'Primary' means it is the first or most important. For example, 'core subjects' could also be called 'essential subjects' or 'fundamental subjects.' In business, 'core competencies' are often referred to as 'key strengths.' Using these synonyms can help you avoid repeating the word 'core' too many times in a single piece of writing. However, 'core' remains the strongest choice when you want to emphasize that something is the very heart or innermost part of a larger whole. It carries a sense of depth and structural integrity that other words might lack. Understanding these subtle differences will help you express yourself more precisely and effectively in English.

Core vs. Hub: 'Core' is the internal center; 'hub' is a central point where things connect or move through.

The core of the computer is the CPU, while the airport is a hub for international travel.

Trust is the core of their relationship.

The core team met to discuss the new strategy.

چقدر رسمی است؟

رسمی

خنثی

غیر رسمی

Child friendly

عامیانه

نکته جالب

Even though 'core' and 'heart' come from the same Latin root, they are used differently today. 'Heart' is more emotional, while 'core' is more structural or essential.

راهنمای تلفظ

UK /kɔː(r)/

US /kɔːr/

Single syllable word. The stress is on the entire word.

هم‌قافیه با

Door Floor More Store Shore Score War Lore

خطاهای رایج

Pronouncing the 'ps' in 'corps' (which sounds like 'core').
Confusing the pronunciation with 'chord' (which has a 'k' sound but a different vowel).
Making the 'o' sound too short, like in 'cot'.
Adding an extra syllable at the end.
Not pronouncing the 'r' clearly in American English.

سطح دشواری

خواندن 3/5

Easy to recognize in context, but abstract meanings require more attention.

نوشتن 4/5

Using it as a verb or in idioms like 'rotten to the core' can be tricky.

صحبت کردن 3/5

Common in fitness and daily life, so it's very useful for learners.

گوش دادن 4/5

Can be confused with 'corps' or 'chord' if the listener isn't careful.

بعداً چه یاد بگیریم؟

پیش‌نیازها

Center Middle Important Inside Apple

بعداً یاد بگیرید

Essence Fundamental Strategic Constituency Competency

پیشرفته

Nucleus Gist Crux Pith Quiddity

گرامر لازم

Adjectives that are not gradable

You cannot say 'more core' because 'core' is already an absolute term meaning 'most essential'.

Transitive Verbs

When using 'core' as a verb, it must have an object: 'She cored the apple.'

Compound Adjectives

In terms like 'quad-core,' the two words are joined by a hyphen to modify a noun.

Prepositional Phrases

'At the core of' is a fixed phrase used to introduce the main part of something.

Possessive Nouns

We often use the possessive with 'core,' such as 'the Earth's core' or 'the apple's core.'

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مثال‌ها بر اساس سطح

I ate the apple but not the core.

J'ai mangé la pomme mais pas le trognon.

Noun: The physical center of a fruit.

The core of the pear is hard.

Le milieu de la poire est dur.

Noun: Referring to the seed-bearing part.

Don't eat the apple core.

Ne mange pas le trognon de pomme.

Imperative sentence with 'core' as a noun.

Is the core big?

Le trognon est-il gros ?

Question using 'core' as a noun.

Throw the core in the bin.

Jette le trognon à la poubelle.

Noun: Object of the verb 'throw'.

The seeds are in the core.

Les pépins sont dans le trognon.

Noun: Indicating location.

I have an apple core.

J'ai un trognon de pomme.

Simple declarative sentence.

The core is in the middle.

Le trognon est au milieu.

Noun: Defining position.

The Earth has a hot core.

La Terre a un noyau brûlant.

Noun: Scientific use for the center of a planet.

Exercise is good for your core.

L'exercice est bon pour vos abdominaux.

Noun: Referring to the central body muscles.

We have a core team of five people.

Nous avons une équipe de base de cinq personnes.

Adjective: Describing the most important group.

Math is a core subject in school.

Les mathématiques sont une matière principale à l'école.

Adjective: Describing a mandatory subject.

The core of the problem is simple.

Le cœur du problème est simple.

Noun: Abstract use for the main part.

She has strong core muscles.

Elle a des muscles abdominaux solides.

Adjective: Modifying 'muscles'.

This is our core business.

C'est notre activité principale.

Adjective: Describing the main activity.

The sun's core is very bright.

Le noyau du soleil est très brillant.

Noun: Possessive form 'sun's core'.

Honesty is one of my core values.

L'honnêteté est l'une de mes valeurs fondamentales.

Adjective: Describing fundamental beliefs.

You need to core the apples before cooking.

Vous devez évider les pommes avant de cuisiner.

Verb: To remove the central part.

At the core, he is a very kind person.

Au fond, c'est une personne très gentille.

Phrase: 'At the core' meaning fundamentally.

The core of the argument was about money.

Le cœur de la discussion portait sur l'argent.

Noun: The essential part of a debate.

We need to focus on our core goals.

Nous devons nous concentrer sur nos objectifs principaux.

Adjective: Describing primary objectives.

The program has a core curriculum.

Le programme a un tronc commun.

Adjective: Describing a set of required courses.

The reactor core is safely contained.

Le cœur du réacteur est confiné en toute sécurité.

Noun: Technical use for a power source center.

He felt shaken to the core by the news.

Il a été ébranlé jusqu'au plus profond de lui-même par la nouvelle.

Idiom: 'Shaken to the core' meaning deeply affected.

The company is selling off its non-core assets.

L'entreprise vend ses actifs non stratégiques.

Adjective: 'Non-core' means not essential to the main business.

The core constituency of the party is rural voters.

L'électorat de base du parti est constitué d'électeurs ruraux.

Adjective: Describing a primary group of supporters.

This laptop has a quad-core processor.

Cet ordinateur portable a un processeur à quatre cœurs.

Adjective/Noun: Technical term in computing.

We must identify our core competencies to succeed.

Nous devons identifier nos compétences clés pour réussir.

Adjective: Describing unique strategic strengths.

The core message of the book is hope.

Le message central du livre est l'espoir.

Adjective: Describing the main theme.

They are coring the ice to study ancient climates.

Ils effectuent des carottages dans la glace pour étudier les climats anciens.

Verb: Present continuous form for scientific sampling.

The core inflation rate remained steady this month.

Le taux d'inflation sous-jacent est resté stable ce mois-ci.

Adjective: Economic term excluding volatile items like food/energy.

The core of the city was destroyed in the fire.

Le centre-ville a été détruit dans l'incendie.

Noun: Referring to the central district.

The core-periphery model explains global trade patterns.

Le modèle centre-périphérie explique les schémas du commerce mondial.

Compound Adjective: Academic term in geography/economics.

The scandal revealed a core of corruption within the police.

Le scandale a révélé un noyau de corruption au sein de la police.

Noun: Describing a hidden, central group.

Her argument was logical to the core.

Son argument était logique jusqu'au bout.

Idiom: 'To the core' used to emphasize a quality.

The core stability of the bridge was questioned by engineers.

La stabilité structurelle du pont a été remise en question par les ingénieurs.

Adjective: Referring to fundamental structural integrity.

The core of his philosophy is the pursuit of truth.

Le fondement de sa philosophie est la recherche de la vérité.

Noun: The foundational essence of a thought system.

The software's core functionality is quite impressive.

La fonctionnalité de base du logiciel est assez impressionnante.

Adjective: Describing the primary purpose of a tool.

He was a traditionalist to the core.

C'était un traditionaliste dans l'âme.

Idiom: Describing a person's fundamental nature.

The core of the star collapsed, creating a supernova.

Le cœur de l'étoile s'est effondré, créant une supernova.

Noun: Scientific use in astrophysics.

The core tenets of the treaty are non-negotiable.

Les principes fondamentaux du traité sont non négociables.

Adjective: Describing essential principles of a legal document.

The novel explores the core of the human condition.

Le roman explore l'essence de la condition humaine.

Noun: Metaphorical use for deep philosophical concepts.

The core-shell structure of the nanoparticle is vital for its function.

La structure cœur-coquille de la nanoparticule est vitale pour sa fonction.

Compound Adjective: Specialized scientific terminology.

The core of the problem lies in the systemic inequality of the region.

Le fond du problème réside dans l'inégalité systémique de la région.

Noun: Identifying the root cause in a complex system.

His core identity was forged in the fires of the revolution.

Son identité profonde a été forgée dans les feux de la révolution.

Adjective: Describing the most fundamental part of a person's self.

The core of the reactor reached critical mass.

Le cœur du réacteur a atteint la masse critique.

Noun: Precise technical use in physics.

The core values of the organization have been eroded over time.

Les valeurs fondamentales de l'organisation se sont érodées avec le temps.

Adjective: Describing the foundational principles of a group.

At its core, the film is a meditation on loss.

Au fond, le film est une méditation sur la perte.

Phrase: 'At its core' used for artistic analysis.

ترکیب‌های رایج

Core values

Core strength

Core curriculum

Earth's core

Core business

Core belief

At the core

Hardcore

Core team

Core competency

عبارات رایج

Rotten to the core

— Completely corrupt or bad throughout. It suggests that the person or thing has no good parts left.

The entire political system was rotten to the core.

Shaken to the core

— Deeply shocked or upset. It implies that the event affected the person's very foundation.

The news of the accident shook her to the core.

At the core of

— At the very center or heart of a situation or problem. It identifies the most important factor.

A lack of funding is at the core of the school's problems.

Core group

— A small, central group of people who are the most active or important. They are the leaders or main members.

A core group of volunteers organized the entire festival.

Core requirements

— The basic things that must be done or achieved. These are the mandatory parts of a task or program.

Do you meet the core requirements for this job?

To the core

— Completely or thoroughly. It is used to emphasize a particular quality or state of being.

He was a city boy to the core and hated the countryside.

Core issue

— The most important or central problem in a discussion. It is the main point that needs to be addressed.

We need to address the core issue before we can move on.

Core stability

— The ability of the muscles in the torso to support the spine and pelvis. It is vital for balance and movement.

Yoga is excellent for improving your core stability.

Core subjects

— The most important subjects in a school's curriculum that all students must study. Usually includes math and science.

English and Math are core subjects in most countries.

Core temperature

— The internal temperature of the body. It is important to maintain this for health and survival.

The doctor checked the patient's core temperature.

اغلب اشتباه گرفته می‌شود با

core vs Corps

Pronounced the same as 'core,' but means a specialized group of people (e.g., Marine Corps).

core vs Chord

Sounds similar but refers to a group of musical notes or a line segment in geometry.

core vs Center

A more general term for the middle; 'core' implies essential importance.

اصطلاحات و عبارات

"Rotten to the core"

— Used to describe someone who is completely dishonest or a system that is totally corrupt.

The investigation showed that the department was rotten to the core.

Informal/Neutral

"Shaken to the core"

— To be extremely shocked, frightened, or upset by something unexpected.

The sudden death of his friend shook him to the core.

Neutral/Formal

"To the core"

— In every way; completely. Used to emphasize a person's character or a quality.

She is a professional to the core and never misses a deadline.

Neutral

"Hardcore"

— Extremely dedicated, intense, or uncompromising. Can refer to fans, beliefs, or activities.

They are hardcore climbers who spend every weekend on the mountains.

Informal

"At the core"

— Fundamentally; at the most basic level. Used to identify the root of an issue.

At the core, this is a question of human rights.

Neutral/Formal

"Core values"

— The fundamental beliefs of a person or organization. These guide behavior and decision-making.

The company's core values include innovation and integrity.

Professional

"Core business"

— The primary activity that a company was founded to do and that generates most of its profit.

The airline is returning to its core business of passenger travel.

Business

"Core competency"

— A specific factor that a business or individual sees as being central to the way they work.

Customer service is our core competency.

Business

"Core curriculum"

— A set of courses that are considered essential for all students in a school or college.

The new core curriculum focuses more on technology and coding.

Academic

"Apple core"

— While literal, it is often used in metaphors about waste or the remains of something.

He left the project like an old apple core, useless and forgotten.

Informal

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core vs Center

Both refer to the middle of something.

Center is a general physical location. Core is the innermost, essential, or seed-bearing part. You can have a center of a circle, but not a core of a circle.

The center of the room is empty, but the core of the building is made of steel.

core vs Heart

Both can mean the most important part.

Heart is often more emotional or metaphorical. Core is more structural or functional. We say 'the heart of the city' but 'the core of the Earth.'

The heart of the story is love, but the core of the conflict is a lie.

core vs Essence

Both refer to the fundamental nature of something.

Essence is more about the quality or 'soul' of something. Core is more about the central part that holds it together.

The essence of the perfume is rose, but the core of the business is sales.

core vs Nucleus

Both mean a central part.

Nucleus is usually scientific (cells, atoms) or refers to a small group that will grow. Core is used for fruits, planets, and values.

The nucleus of the cell is small, but the core of the apple is large.

core vs Middle

Both refer to the center.

Middle is the most informal and general. Core is more specific and implies importance.

He sat in the middle of the bus, but the core of the bus is the engine.

الگوهای جمله‌سازی

The [fruit] core is [adjective].

The apple core is small.

[Activity] is good for your core.

Swimming is good for your core.

[Noun] is a core [noun].

Trust is a core value.

At the core of [problem] is [reason].

At the core of the problem is a lack of time.

The company focuses on its core [business/activity].

The company focuses on its core business of software development.

He was [adjective] to the core.

He was loyal to the core.

The core [noun] of [concept] is [explanation].

The core principle of democracy is equality.

The core-shell structure of [object] allows for [function].

The core-shell structure of the particle allows for targeted drug delivery.

خانواده کلمه

اسم‌ها

فعل‌ها

صفت‌ها

مرتبط

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نحوه استفاده

frequency

Common in everyday speech, science, business, and fitness.

اشتباهات رایج

Using 'corps' when you mean 'core'. → The core of the apple.
'Corps' is a group of people. 'Core' is the center of something. They sound the same but are spelled differently.
Saying 'the most core value'. → The core value.
'Core' is already an absolute term. Adding 'most' is redundant.
Using 'core' for the middle of a room. → The center of the room.
'Core' implies an essential or internal part. For a simple physical location, 'center' is better.
Pronouncing the 'p' in 'corps'. → Pronounce it like 'core'.
The word 'corps' has a silent 'p' and 's'. It is a common pronunciation mistake.
Using 'core' as a verb for removing a pit. → Pit the cherry.
'Core' is specifically for the seed-bearing middle of fruits like apples or pears. For stones/pits, use 'pit'.

نکات

Use 'Core' for Importance

When you want to say something is not just important but essential, use 'core.' It sounds stronger than 'main' or 'central.'

Core is more than Abs

Remember that your 'core' includes your back and pelvic muscles, not just your stomach. Strengthening all of them is key to good health.

Don't forget the 'e'

Always spell 'core' with an 'e' at the end. Without it, 'cor' is not a standard English word (though it's the Latin root).

Learn Collocations

Instead of just learning 'core,' learn 'core values,' 'core beliefs,' and 'core subjects.' These pairings are very common.

Watch for 'Corps'

Be careful when you see 'corps' in writing. It sounds like 'core,' but it means a group. Don't pronounce the 'p' or 's'!

Coring vs. Peeling

Remember that 'coring' is removing the middle, while 'peeling' is removing the skin. You usually do both to an apple for a pie.

Core Competencies

Use this phrase in job interviews to talk about your main professional strengths. It sounds very professional and impressive.

Planetary Cores

When talking about planets, 'core' is the standard term for the center. It's a must-know word for basic astronomy and geology.

To the Core

Use 'to the core' to add emphasis. 'He was a rebel to the core' is much more expressive than just saying 'He was a rebel.'

No 'More Core'

Since 'core' means the most essential part, you can't have something that is 'more core.' It's an absolute adjective.

حفظ کنید

روش یادسپاری

Think of an apple. The 'C' in 'Core' stands for 'Center.' The 'Core' is the 'Center' of the apple.

تداعی تصویری

Imagine a glowing ball of light in the very center of the Earth. That is the Earth's core. It is the heart and power of the planet.

شبکه واژگان

Apple Earth Values Muscles Center Heart Essential Processor

چالش

Try to use the word 'core' in three different ways today: once about food, once about exercise, and once about an important idea.

ریشه کلمه

The word 'core' originated in the Middle English period, likely derived from the Old French word 'cor' or 'coeur,' which means 'heart.' This itself comes from the Latin word 'cor.'

معنای اصلی: The original meaning was specifically the 'heart' or innermost part of a fruit.

Indo-European (Latin -> French -> English)

بافت فرهنگی

The word is generally neutral and safe to use in all contexts. However, 'rotten to the core' is a very strong insult.

In the UK and US, 'core' is frequently used in corporate jargon to mean the most profitable part of a business.

The movie 'The Core' (2003) about a journey to the center of the Earth. The 'Common Core' State Standards Initiative in US education. The 'Intel Core' brand of computer processors.

تمرین در زندگی واقعی

موقعیت‌های واقعی

Cooking

Core the apples
Remove the core
Apple core
Coring tool

Fitness

Core strength
Engage your core
Core workout
Strong core

Business

Core values
Core business
Core competencies
Core team

Science

Earth's core
Reactor core
Core of the sun
Ice core

Education

Core subjects
Core curriculum
Core requirements
Common core

شروع‌کننده‌های مکالمه

"What are some of your core values in life?"

"Do you think schools should focus more on core subjects or creative arts?"

"How often do you do exercises to strengthen your core?"

"What do you think is the core reason for climate change?"

"If you had to choose a core team for a new business, who would you pick?"

موضوعات نگارش

Reflect on a time when you were shaken to the core by a piece of news. How did you react?

Describe your core group of friends and why they are important to you.

What is the core message you want to share with the world?

Write about a core belief you have that has changed over time.

Discuss the core strengths you bring to your workplace or school.

سوالات متداول

10 سوال

While you can eat it, most people don't because it is tough and contains seeds. The seeds contain a tiny amount of cyanide, but you would have to eat a huge number of them for it to be dangerous. Most people just throw the core away or compost it.

It means to tighten the muscles in your abdomen and lower back. This provides stability and protects your spine during movement. It's a common instruction in yoga, pilates, and weightlifting.

It depends on the context. 'Core values' is formal and professional. 'Apple core' is neutral. 'Hardcore' is informal. Overall, it is a very versatile word used in many different registers.

They are pronounced the same, but 'core' is the center of something, and 'corps' is a group of people (like the Peace Corps). Remember the 'ps' in 'corps' is silent.

Yes, it means to remove the central part of a fruit. For example, 'Please core the apples before you bake them.' It is a common term in cooking.

These are the mandatory classes that every student must take, such as Mathematics, English, and Science. They are considered the most important part of the curriculum.

It means something or someone is completely bad or corrupt. There are no good parts left. It's a very strong way to describe total corruption.

It is a computer chip that has two processing units (cores) on a single chip. This allows the computer to do two things at the same time more efficiently.

No, it can also be an adjective (core values) and a verb (to core an apple). Its use as an adjective is very common in business and education.

The Earth's core is primarily made of iron and nickel. It has a solid inner core and a liquid outer core, and it is extremely hot.

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