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B2 noun #9,500 am häufigsten 9 Min. Lesezeit

가역성

gayeokseong Top 9,500

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Erklärung 가역성 in your Level:

At the A1 level, you don't need to use the word '가역성' (Gayeokseong) because it is very difficult. Instead, you can think about the idea of 'going back' or 'undoing.' Imagine a toy that you can take apart and put back together. That is a simple way to understand this big word. In Korean, we say '다시 할 수 있어요' (Can do it again) or '돌아갈 수 있어요' (Can go back). '가역성' is like a magic button that lets you return to the start. For example, if you draw with a pencil, you can erase it. That is like having '가역성.' But if you draw with a permanent marker, you cannot erase it. That is not '가역성.' Even though this is a big word used by scientists, the idea is just about things being able to change back to how they were in the beginning. You might see this word in a science book for kids, but for now, just remember that '가' means 'can' and '역' means 'reverse.' It is the 'can-reverse-ness' of something.

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At the A2 level, you are learning more about how things work. '가역성' is a noun that means 'reversibility.' You can think of it as the ability of a process to be undone. A good example for A2 learners is a door. A door has '가역성' because you can open it and then close it to make it the same as before. In Korean, we use the root '가' (possible) and '역' (reverse) to make this word. You might hear this in a basic science class or see it in a museum. If you are talking about a computer, clicking 'Undo' is like using the '가역성' of the software. You won't use this word when talking to friends about food or movies, but if you want to describe a scientific experiment, you might say, '이 실험은 가역성이 있어요' (This experiment has reversibility). It is a useful word to know if you are interested in how the world and science work, especially when comparing things that can be fixed versus things that are broken forever.

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For B1 learners, '가역성' is an important term to recognize in academic or technical contexts. It is a noun that describes the property of a system or reaction that can return to its initial state. This is a common topic in intermediate Korean reading materials, especially those about the environment or technology. You should understand that this word is formal. Instead of saying '되돌릴 수 있는 성질' (the quality of being able to turn back), you use '가역성' to sound more professional. For example, in a discussion about environmental damage, someone might say, '환경 파괴가 가역성을 잃으면 큰일입니다' (It is a big problem if environmental destruction loses its reversibility). This means the damage becomes permanent. You should also start to notice the related word '가역적' (reversible), which is the adjective form. Learning this word helps you transition from basic everyday Korean to the more sophisticated language used in newspapers and documentaries.

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At the B2 level, you should be able to use '가역성' in specific contexts such as science, psychology, or logic. This word refers to the capability of a process to be reversed so that the system and its surroundings return to their original states. In B2 level texts, you will encounter this word in the context of thermodynamics (the second law of thermodynamics often discusses how real-world processes lack perfect reversibility) or Piaget's stages of cognitive development. You should be able to distinguish '가역성' from '회복성' (resilience) or '가변성' (variability). For instance, '가역성' is a technical requirement for certain chemical reactions. You might write in an essay: '기술의 발전은 때때로 자연의 가역성을 위협하기도 한다' (The development of technology sometimes threatens the reversibility of nature). This level of vocabulary shows that you can handle abstract concepts and participate in academic discussions or read technical manuals in Korean.

C1 learners must master the nuances of '가역성' in complex discourse. This includes understanding its philosophical implications and its use in high-level legal or economic arguments. In thermodynamics, '가역성' is an idealization; in the real world, entropy always increases, leading to '비가역성' (irreversibility). You should be able to discuss the 'arrow of time' using these terms. In a legal context, '가역성' might refer to whether a judicial error can be fully rectified. You should also be familiar with the Hanja roots to help you understand related terms like '가역 반응' (reversible reaction) or '가역 과정' (reversible process). At this level, you are expected to use the word accurately in professional writing, such as research papers or policy proposals. For example: '본 연구는 정책 결정 과정에서의 가역성이 지니는 사회적 가치를 분석하고자 한다' (This study aims to analyze the social value of reversibility in the policy-making process). Your usage should reflect an understanding that '가역성' is not just about 'undoing' but about the total restoration of a system's state.

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At the C2 level, '가역성' is a tool for deep intellectual analysis. You should be comfortable discussing the concept across multiple disciplines, from the microscopic level of quantum mechanics to the macroscopic level of global economics. You might explore the '가역성' of historical events or the philosophical question of whether human consciousness possesses a form of logical reversibility. You should be able to critique the use of the term in various contexts, noting where it is used metaphorically versus strictly scientifically. For instance, you might analyze how the term is used in modern Korean literature to represent the desire to return to a lost past. Your command of the word should be indistinguishable from a highly educated native speaker, allowing you to engage in debates about the '비가역적 변화' (irreversible changes) in society and the ethical implications of creating systems that lack '가역성.' You will use this word to build complex arguments, using it as a cornerstone for discussing equilibrium, symmetry, and the fundamental nature of time and change.

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가역성 in 30 Sekunden

가역성 means 'reversibility'—the ability of a system or process to return to its original starting point.
It is a formal Sino-Korean word used mostly in science, psychology, law, and academic writing.
The opposite term is 비가역성 (irreversibility), which describes permanent changes like burning or aging.
Commonly paired with verbs like '있다' (have), '없다' (lack), and '띠다' (possess).

The Korean word 가역성 (Gayeokseong) is a sophisticated academic and scientific term that translates directly to reversibility. It is composed of three Hanja characters: 可 (가 - possible), 逆 (역 - reverse/against), and 性 (성 - nature/property). Together, they describe the inherent quality or nature of a process that can be reversed to return to its original state without leaving any permanent change in the surrounding environment. In everyday Korean, you won't hear this word while buying groceries or chatting about the weather; instead, it is a staple of physics, chemistry, thermodynamics, psychology, and even law. When a scientist discusses a chemical reaction that can go both ways, they are talking about its 가역성. When a psychologist discusses a child's ability to understand that if 2 plus 3 equals 5, then 5 minus 3 must equal 2, they are referring to the cognitive 가역성 of thought. Understanding this word requires moving beyond simple physical 'undoing' and grasping the concept of systemic equilibrium.

Scientific Context: In thermodynamics, 가역성 refers to a process that can be reversed by an infinitesimal change in some property of the system without entropy production. It is an idealized concept used to define the limits of efficiency.
Psychological Context: In Piaget's theory of cognitive development, 가역성 is the ability to recognize that numbers or objects can be changed and returned to their original condition.
Legal Context: It refers to the possibility of reversing a decision or a policy without causing irreparable harm or permanent legal consequences.

열역학 제2법칙에 따르면 자연계의 모든 현상은 엄밀한 의미에서 가역성을 갖지 않는다. (According to the second law of thermodynamics, all natural phenomena do not possess reversibility in the strict sense.)

Furthermore, the concept of 가역성 is often contrasted with 비가역성 (Irreversibility). In modern discourse, especially regarding environmental issues, speakers emphasize that climate change might reach a point where it loses its 가역성, meaning the damage becomes permanent. This adds a layer of urgency and gravity to the word. When you use 가역성, you are signaling a high level of literacy and a focus on the structural or systemic properties of a situation. It is a word of logic and analysis, used to dissect how systems operate over time. Whether you are studying for the TOPIK II or reading a Korean research paper, recognizing the 'possibility of return' inherent in this word is crucial for accurate comprehension.

이 화학 반응은 온도 변화에 따라 가역성을 보입니다. (This chemical reaction shows reversibility depending on temperature changes.)

Using 가역성 correctly requires understanding its role as a noun that describes a property. It most frequently appears with verbs like 있다 (to have), 없다 (to not have), 띠다 (to take on/possess), and 상실하다 (to lose). Because it is a formal term, it is almost always paired with professional or polite speech endings like -습니다 or -어요 in a lecture setting. You will rarely find it in casual 'Banmal' conversation unless two scientists are arguing over a coffee. In a sentence, 가역성 functions as the subject or the object that defines the capability of a system.

With '있다/없다': "이 과정은 가역성이 있습니다." (This process has reversibility.) This is the most straightforward way to state that something can be undone.
With '띠다': "반응이 가역성을 띠고 있습니다." (The reaction is taking on/exhibiting reversibility.) This sounds more academic and descriptive.
With '상실하다': "피해는 이미 가역성을 상실했습니다." (The damage has already lost its reversibility.) This implies the situation is now irreversible.

피아제는 아동의 인지 발달에서 가역성의 획득을 매우 중요하게 보았습니다. (Piaget viewed the acquisition of reversibility as very important in children's cognitive development.)

When constructing sentences, pay attention to the particles. Use -이/가 when 가역성 is the focus of the existence (e.g., 가역성이 중요하다), and use -을/를 when it is the object of an action (e.g., 가역성을 검증하다 - to verify reversibility). You can also turn it into an adjective, 가역적인 (reversible), or an adverb, 가역적으로 (reversibly). For example, "가역적인 반응" (a reversible reaction) or "가역적으로 변하다" (to change reversibly). These variations allow you to weave the concept into different parts of your speech, making your Korean sound more precise and advanced. Remember that 가역성 is about the potential or the nature, so it often appears in discussions about theory or possibility.

이 정책은 사회적 가역성을 고려하여 신중하게 결정되어야 합니다. (This policy must be decided carefully, considering social reversibility.)

In South Korea, 가역성 is a word that belongs to the world of higher education and specialized professions. If you are a student at a Korean university majoring in STEM fields, you will hear this word daily. Professors in the Chemistry Department will use it to describe equilibrium reactions where reactants and products coexist. In the Physics Department, it will appear during discussions on entropy and the arrow of time. However, its usage extends beyond the hard sciences. In Education and Psychology, it is a key term in developmental stages. You might hear a teacher saying, "아이들은 아직 가역성의 원리를 이해하지 못합니다" (Children do not yet understand the principle of reversibility), referring to a child's inability to mentally reverse a sequence of steps.

News and Documentaries: Science documentaries on KBS or EBS often use this term when explaining natural laws or environmental crises. For instance, 'The irreversibility (비가역성) of Arctic ice melting' is a frequent topic.
Legal and Political Debates: In high-level debates about constitutional law or major infrastructure projects, experts might discuss whether a decision has 가역성—meaning, can we stop and go back if it fails?

오늘 강의에서는 열역학적 가역성의 조건에 대해 알아보겠습니다. (In today's lecture, we will look into the conditions for thermodynamic reversibility.)

You might also encounter this word in the medical field. Doctors might discuss the '가역성' of a patient's condition—whether the damage to an organ is reversible or permanent. For example, "이 증상은 초기 단계에서는 가역성이 있습니다" (This symptom has reversibility in the early stages). In the IT and Software Engineering world, though '되돌리기' (undo) is more common for UI, '가역성' might be used when discussing data encryption or system states that must be able to roll back to a previous version without data loss. Overall, 가역성 is a word that signifies depth, precision, and a focus on the fundamental laws of change and restoration.

전문가들은 이번 경제 조치가 시장의 가역성을 해칠 수 있다고 경고했습니다. (Experts warned that this economic measure could harm the market's reversibility.)

While 가역성 is a precise term, learners and even native speakers sometimes misuse it or confuse it with similar-sounding words. The most common mistake is confusing it with 가변성 (Gabyonseong - variability). While '가역성' is about returning to a start, '가변성' is simply about the ability to change. Something can be variable (가변적) but not reversible (가역적). For example, a burning piece of wood is changing (가변적), but you can't turn the smoke and ash back into wood, so it lacks 가역성. Another common error is using it in place of 회복성 (Hoebokseong - resilience/recoverability). '회복성' is more about 'healing' or 'bouncing back' in a biological or emotional sense, whereas '가역성' is a more rigid, systemic term.

Confusion with '가용성' (Gayongseong): '가용성' means availability or usability. It sounds similar but has zero conceptual overlap. Don't say '시스템의 가역성' when you mean the system is 'available' for use.
Misusing the Opposite: The opposite is '비가역성' (irreversibility). Some learners try to use '불가역성' (Bul-ga-yeok-seong). While '불가역적' is a valid adjective, '비가역성' is the standard noun form in science.

❌ Incorrect: 이 옷은 가역성이 좋아서 자주 입어요. (This clothing has good reversibility, so I wear it often.)
✅ Correct: 이 옷은 활용성이 좋아서 자주 입어요. (This clothing has good utility, so I wear it often.)

Another mistake involves the scale of the word. Because it is a Sino-Korean word (Hanja-based), it carries a 'heavy' nuance. Using it for simple things like a reversible jacket (which is usually called '양면' - two-sided) makes you sound like a textbook. If you want to say a jacket is reversible, say 양면 점퍼, not 가역성 점퍼. Reserve 가역성 for processes, reactions, and abstract systems. Finally, ensure you don't confuse the pronunciation of '역' (reverse) with '연' (connection). '가연성' (Gayeonseong) means flammability—a very dangerous mistake to make in a lab!

❌ Incorrect: 시간은 가역성이 있다. (Time has reversibility.)
✅ Correct: 시간은 비가역적이다. (Time is irreversible.)

When you want to express the idea of something being 'reversible' or 'able to go back' without using the formal term 가역성, there are several alternatives depending on the context. In daily life, the most common way is to use the verb 되돌리다 (to turn back/undo). For example, "이미 일어난 일은 되돌릴 수 없다" (What's done cannot be undone). This is much more natural in conversation than saying "이미 일어난 일은 가역성이 없다." Another alternative is 복원력 (Bogwonryeok - restorative power), which is often used for ecosystems or physical materials like rubber bands.

가역성 vs. 회복성 (Hoebokseong): 가역성 is a binary systemic property (it either can return to the start or it can't), while 회복성 describes the strength or speed of a system returning to health or normalcy.
가역성 vs. 반전 가능성 (Banjeon Ganeungseong): 반전 가능성 refers to the 'possibility of a twist' or a 'reversal of a situation' (like a score in a game). 가역성 is more about the physical or logical state of the system.
가역성 vs. 양면성 (Yangmyeonseong): 양면성 means 'having two sides' (like a double-edged sword). People sometimes confuse this when talking about reversible clothing or dual-purpose tools.

이 시스템은 가역성보다는 복원력에 초점을 맞추고 있습니다. (This system focuses on resilience rather than reversibility.)

If you are writing an essay and want to sound varied, you can use phrases like '되돌림의 가능성' (possibility of returning) or '본래 상태로의 회귀' (regression to the original state). For chemical reactions, you might use '가역 반응' (reversible reaction) specifically. In social sciences, '수정 가능성' (possibility of correction) is often a better fit for policies. Choosing the right synonym depends on whether you are talking about a physical law (use 가역성), a biological recovery (use 회복성), or a social change (use 수정 가능성). Understanding these nuances will elevate your Korean from 'functional' to 'precise'.

실수를 되돌릴 수 있는 기회가 주어졌다. (A chance to undo the mistake was given.) - A more natural, non-technical alternative.

How Formal Is It?

Wusstest du?

The character '역' (逆) is the same one used in '역전' (Yeok-jeon), which means a come-from-behind victory in sports!

Aussprachehilfe

UK /ɡajʌks͈ʌŋ/

US /ɡajʌks͈ʌŋ/

Stress is even across all syllables, but '성' is pronounced with more tension (tense 's').

Reimt sich auf

가능성 (Ganeungseong) 다양성 (Dayangseong) 유연성 (Yuyeonseong) 지속성 (Jisokseong) 창의성 (Changuiseong) 일관성 (Ilgwanseong) 안전성 (Anjeonseong) 전문성 (Jeonmunseong)

Häufige Fehler

Pronouncing '역' as '억' (Ga-eok-seong).
Forgetting the tense 's' (ss) sound in '성'.
Pronouncing '가' with an English 'g' as in 'get' (it should be softer/unaspirated).
Mixing it up with '가연성' (flammability).
Pausing too long between '가' and '역'.

Schwierigkeitsgrad

Lesen 4/5

Requires knowledge of Hanja-based academic vocabulary.

Schreiben 4/5

Needs correct particle usage and formal verb pairings.

Sprechen 3/5

Pronunciation is straightforward but usage is limited to formal contexts.

Hören 4/5

Found in lectures and news, often spoken quickly.

Was du als Nächstes lernen solltest

Voraussetzungen

가능하다 (Possible) 반대 (Opposite) 성질 (Property) 변화 (Change) 원래 (Original)

Als Nächstes lernen

비가역성 (Irreversibility) 임계점 (Tipping point) 평형 상태 (Equilibrium state) 추상적 (Abstract) 메커니즘 (Mechanism)

Fortgeschritten

엔트로피 (Entropy) 인과관계 (Causality) 결정론 (Determinism) 상호작용 (Interaction) 항상성 (Homeostasis)

Wichtige Grammatik

Noun + 의 유무 (Presence or absence of...)

가역성의 유무를 판단하는 것이 중요합니다.

Noun + 에 따른 (Depending on...)

온도에 따른 가역성의 변화를 관찰했다.

Noun + 을/를 전제로 (On the premise of...)

가역성을 전제로 이론을 전개했다.

Noun + 이/가 결여되다 (To lack...)

이 계획은 가역성이 결여되어 있다.

Noun + 을/를 띠다 (To possess/take on a quality)

반응이 점차 가역성을 띠기 시작했다.

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Beispiele nach Niveau

이 장난감은 가역성이 있어요.

This toy has reversibility (can be put back).

Noun + 이/가 있어요 (standard existence pattern).

가역성은 다시 돌아가는 거예요.

Reversibility is going back again.

-는 거예요 (explaining a concept simply).

물은 얼음이 되어도 가역성이 있습니다.

Even if water becomes ice, it has reversibility.

-어도 (even if) shows a condition.

가역성이 없으면 슬퍼요.

It is sad if there is no reversibility.

-으면 (if) used for simple conditions.

이 문은 가역성이 좋아요.

This door has good reversibility (opens and closes easily).

Adjective '좋아요' modifying the noun's quality.

가역성을 공부해요.

I study reversibility.

Object marker -을/를 with a verb.

지우개는 가역성을 도와줘요.

The eraser helps with reversibility.

Noun as an agent of help.

가역성은 마법 같아요.

Reversibility is like magic.

- 같아요 (looks like/is like).

과학 시간에는 가역성을 배워요.

We learn about reversibility in science class.

-에 (time/location) and -을/를 (object).

이 기계는 가역성이 부족합니다.

This machine lacks reversibility.

Formal ending -습니다 with '부족하다' (to lack).

가역성이 있는 반응을 찾아보세요.

Please look for a reaction that has reversibility.

-는 (adjective clause) modifying '반응'.

고무줄은 가역성이 아주 큽니다.

A rubber band has very great reversibility.

Adverb '아주' emphasizing the degree.

가역성이 없으면 되돌릴 수 없어요.

If there is no reversibility, you cannot undo it.

-ㄹ 수 없다 (cannot do).

이 그림은 가역성을 보여줍니다.

This picture shows reversibility.

Verb '보여주다' (to show/demonstrate).

우리는 가역성의 원리를 이해했습니다.

We understood the principle of reversibility.

Past tense -었습니다.

가역성이 중요한 이유가 뭐예요?

What is the reason why reversibility is important?

-ㄴ 이유 (the reason that...).

환경 오염은 가역성을 잃기 쉽습니다.

Environmental pollution is easy to lose its reversibility.

-기 쉽다 (easy to do/likely to).

이 화학 반응은 가역성을 띠고 있어 실험에 적합하다.

This chemical reaction possesses reversibility, so it is suitable for the experiment.

-고 있어 (continuous state) and -아/어 적합하다 (suitable for).

아이들은 자라면서 점차 가역성을 이해하게 됩니다.

Children gradually come to understand reversibility as they grow up.

-게 되다 (to come to/become).

가역성이 없는 결정은 신중하게 내려야 합니다.

Decisions without reversibility must be made carefully.

-어야 하다 (must do).

이 시스템의 가장 큰 특징은 가역성입니다.

The biggest feature of this system is its reversibility.

-의 (possessive) connecting nouns.

가역성을 확인하기 위해 실험을 반복했다.

The experiment was repeated to confirm the reversibility.

-기 위해 (in order to).

열역학에서 가역성은 매우 이상적인 상태를 말한다.

In thermodynamics, reversibility refers to a very ideal state.

-에서 (in a field/location) and -을 말한다 (refers to).

가역성이 보장되지 않는 투자는 위험하다.

Investment where reversibility is not guaranteed is dangerous.

Passive form '보장되지 않다' (to not be guaranteed).

가역성을 전제로 한 이론적 모델을 구축하였다.

A theoretical model based on the premise of reversibility was constructed.

-를 전제로 한 (based on the premise of).

모든 자연 현상이 가역성을 가지는 것은 아니다.

Not all natural phenomena possess reversibility.

-는 것은 아니다 (partial negation: not all/not necessarily).

피아제는 구체적 조작기의 특징으로 가역성을 꼽았다.

Piaget cited reversibility as a characteristic of the concrete operational stage.

-로 꼽다 (to count/cite as).

에너지 손실로 인해 완벽한 가역성을 구현하기는 어렵다.

It is difficult to implement perfect reversibility due to energy loss.

-로 인해 (due to) and -기는 어렵다 (it is difficult to).

이 약물은 신경 세포의 가역성을 회복시키는 데 도움을 준다.

This drug helps in restoring the reversibility of nerve cells.

-는 데 (in the act of/for the purpose of).

가역성이 결여된 정책은 사회적 반발을 불러올 수 있다.

Policies lacking reversibility can trigger social backlash.

-이 결여된 (lacking/devoid of).

디지털 데이터의 가역성은 백업 시스템에 의해 유지된다.

The reversibility of digital data is maintained by backup systems.

-에 의해 (by means of/by).

가역성을 고려하지 않은 설계는 큰 사고로 이어질 수 있다.

Design that does not consider reversibility can lead to a major accident.

-로 이어지다 (to lead to).

가역성의 상실은 곧 엔트로피의 증가를 의미한다.

The loss of reversibility immediately means an increase in entropy.

Noun + 은 곧 (A is B/A means B).

역사적 사건의 비가역성은 우리에게 많은 교훈을 남긴다.

The irreversibility of historical events leaves us with many lessons.

Contrast between '비가역성' and the implied '가역성'.

이 논문은 가역성 원리가 양자 역학에 미치는 영향을 분석한다.

This paper analyzes the impact of the principle of reversibility on quantum mechanics.

-에 미치는 영향 (the impact/influence on).

법적 안정성을 위해 판결의 가역성은 엄격히 제한된다.

For the sake of legal stability, the reversibility of judgments is strictly limited.

-를 위해 (for the sake of) and passive '제한된다'.

인간의 기억은 가역성을 지닌 듯 보이지만 실제로는 왜곡되기 쉽다.

Human memory seems to possess reversibility, but in reality, it is prone to distortion.

-는 듯 보이다 (seems like/appears to be).

가역성이라는 개념은 근대 과학의 발전에 핵심적인 역할을 했다.

The concept of reversibility played a key role in the development of modern science.

-라는 개념 (the concept called...).

기후 변화가 임계점을 넘으면 가역성을 확보하기 불가능해진다.

Once climate change passes the tipping point, securing reversibility becomes impossible.

-어지다 (to become) and '-기 불가능하다' (to be impossible to).

가역성을 추구하는 것은 인간의 본능적인 욕구일지도 모른다.

Seeking reversibility might be an instinctive human desire.

-일지도 모른다 (might be/it is possible that).

가역성의 존재 유무는 우주의 근본적인 대칭성과 직결된다.

The presence or absence of reversibility is directly linked to the fundamental symmetry of the universe.

-와 직결된다 (is directly connected/linked to).

미시적 가역성과 거시적 비가역성 사이의 모순은 여전히 논쟁 중이다.

The contradiction between microscopic reversibility and macroscopic irreversibility is still under debate.

- 사이의 모순 (the contradiction between...).

이 철학자는 시간의 가역성을 부정하며 실존의 유한성을 강조했다.

This philosopher denied the reversibility of time and emphasized the finitude of existence.

-며 (while/and) connecting two clauses.

가역성이 담보되지 않은 기술적 진보는 재앙이 될 수 있다.

Technological progress where reversibility is not guaranteed can become a disaster.

-이 담보되지 않은 (not guaranteed/not secured).

심리적 가역성은 트라우마 극복 과정에서 중요한 변수로 작용한다.

Psychological reversibility acts as an important variable in the process of overcoming trauma.

-로 작용하다 (to act/function as).

자본주의 시장의 가역성은 위기 시 정부 개입의 정당성을 부여한다.

The reversibility of the capitalist market grants legitimacy to government intervention during crises.

-에 정당성을 부여하다 (to grant legitimacy to).

가역성의 원리를 사회학적 관점에서 재해석하려는 시도가 늘고 있다.

Attempts to reinterpret the principle of reversibility from a sociological perspective are increasing.

-하려는 시도 (attempt to do).

가역성이 배제된 시스템은 유연성을 잃고 붕괴하기 마련이다.

Systems from which reversibility is excluded are bound to lose flexibility and collapse.

-기 마련이다 (is bound to/it is natural that).

Synonyme

회복성 반복성

Gegenteile

비가역성

Häufige Kollokationen

가역성을 띠다

가역성을 상실하다

가역성을 확보하다

가역성을 전제로 하다

가역성을 검증하다

완벽한 가역성

가역성의 원리

가역성을 잃다

가역성을 부여하다

가역성을 논하다

Häufige Phrasen

가역 반응

— A chemical reaction that can proceed in both forward and reverse directions.

가역 반응에서는 평형 상태가 중요하다.

가역 과정

— A process that can be reversed without leaving any change in the surroundings.

이상적인 가역 과정은 실제로 존재하기 어렵다.

비가역적 손상

— Damage that cannot be repaired or reversed.

뇌세포의 비가역적 손상은 치명적이다.

가역적 변화

— A change that can be undone to restore the original state.

얼음이 녹는 것은 가역적 변화의 예이다.

심리적 가역성

— The mental ability to reverse a sequence of events or thoughts.

심리적 가역성은 논리적 사고의 기초가 된다.

가역성 유무

— The presence or absence of reversibility.

이 실험의 핵심은 가역성 유무를 밝히는 것이다.

열역학적 가역성

— Reversibility specifically within the laws of heat and energy.

열역학적 가역성은 카르노 사이클에서 다루어진다.

가역적 결정

— A decision that can be changed or canceled later.

우리는 가역적 결정을 통해 리스크를 줄였다.

가역성을 갖다

— To have the property of reversibility.

이 물질은 특정 조건에서 가역성을 갖는다.

가역성을 입증하다

— To prove that something is reversible.

연구팀은 마침내 그 현상의 가역성을 입증했다.

Wird oft verwechselt mit

가역성 vs 가변성

Means 'variability'. Something can change (가변적) but not be able to go back (가역적).

가역성 vs 가용성

Means 'availability'. Often confused due to similar sound, but unrelated in meaning.

가역성 vs 가연성

Means 'flammability'. A dangerous confusion in a laboratory setting!

Redewendungen & Ausdrücke

"엎질러진 물"

— Spilled water. This is the ultimate idiom for something that lacks 가역성 (reversibility).

이미 엎질러진 물이니 가역성을 논해봐야 소용없다.

Common

"낙장불입"

— Once a card is played, it cannot be taken back. Used in games to describe a lack of reversibility.

이 게임은 낙장불입이라 가역성이 전혀 없다.

Informal/Game

"화살은 시위를 떠났다"

— The arrow has left the bow. A situation that is now irreversible.

화살은 이미 시위를 떠났으니 가역성을 기대하지 마라.

Literary

"강을 건너다"

— To cross the river. To reach a point of no return.

우리는 이미 가역성을 잃은 강을 건넜다.

Neutral

"주사위는 던져졌다"

— The die is cast. A decision that cannot be reversed.

주사위는 던져졌고 이제 가역성은 없다.

Neutral

"돌이킬 수 없는 강을 건너다"

— To cross a river that cannot be turned back. Irreversible.

그들은 돌이킬 수 없는 강을 건너 가역성을 상실했다.

Formal

"시계를 되돌리다"

— To turn back the clock. A metaphorical desire for 가역성.

누구나 시계를 되돌려 가역성을 찾고 싶어 한다.

Literary

"뿌린 대로 거두다"

— Reap what you sow. Implies a linear, irreversible consequence.

인생은 뿌린 대로 거두는 비가역적인 과정이다.

Common

"입 밖에 낸 말"

— Words spoken out loud. They cannot be taken back.

입 밖에 낸 말은 가역성이 없으니 조심해야 한다.

Common

"버스는 떠났다"

— The bus has left. The opportunity is gone and cannot be reversed.

이미 버스는 떠났고 상황의 가역성은 사라졌다.

Informal

Leicht verwechselbar

가역성 vs 가성

Similar starting sound.

가역성 is 3 syllables and means reversibility; 가성 is 2 syllables and means causticity.

가성 소다 (caustic soda) vs. 가역성 반응.

가역성 vs 복원력

Related concepts of returning to a state.

가역성 is a property of a process; 복원력 is the force or ability to return.

고무줄의 복원력.

가역성 vs 회복

Both involve returning to a previous state.

회복 is usually for health or status; 가역성 is for scientific/logical processes.

건강 회복.

가역성 vs 반복

Doing something again.

반복 is doing the same thing again; 가역성 is undoing a change.

연습 반복.

가역성 vs 순환

Going around and coming back.

순환 is a continuous loop; 가역성 is the ability to go backward.

혈액 순환.

Satzmuster

이것은 가역성이 있어요.

이 장난감은 가역성이 있어요.

가역성이 있는 Noun

가역성이 있는 반응을 보세요.

Noun은 가역성을 잃기 쉽다.

환경은 가역성을 잃기 쉽다.

Noun에 따른 가역성의 변화

압력에 따른 가역성의 변화를 연구했다.

Noun을 전제로 한 가역성 분석

평형을 전제로 한 가역성 분석이 필요하다.

가역성의 유무가 Noun에 미치는 영향

가역성의 유무가 시스템 안정성에 미치는 영향은 크다.

Academic

가역성을 띠는 메커니즘

가역성을 띠는 메커니즘을 규명하였다.

Formal

가역성을 상실할 우려가 있다

생태계가 가역성을 상실할 우려가 있습니다.

Wortfamilie

Substantive

가역성 (Reversibility)

비가역성 (Irreversibility)

가역 반응 (Reversible reaction)

가역 과정 (Reversible process)

Verben

가역시키다 (To make reversible - rare)

되돌리다 (To reverse/undo - common native verb)

Adjektive

가역적 (Reversible)

비가역적 (Irreversible)

가역적인 (Reversible - modifying form)

Verwandt

엔트로피 (Entropy)

평형 (Equilibrium)

복원 (Restoration)

순환 (Cycle)

대칭 (Symmetry)

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frequency

Rare in daily life, very high in academic/scientific settings.

Häufige Fehler

Using '가역성' for a reversible jacket. → 양면 점퍼 (Yangmyeon jumper).
가역성 is for abstract or scientific processes, not physical clothing design.
Confusing '가역성' with '가변성'. → 가역성 (reversibility) vs. 가변성 (variability).
Variability is about change; reversibility is about returning to the start.
Saying '가역성이 되다'. → 가역성이 있다 / 가역적이다.
가역성 is a noun (property). You have it, you don't 'become' it.
Pronouncing it as '가연성'. → 가역성 (reversibility) vs. 가연성 (flammability).
Confusing 'Yeok' and 'Yeon' changes the meaning to something explosive!
Using it for human emotions. → 마음이 변하다 / 화해하다.
Emotional changes are rarely described using technical terms like 가역성.

Tipps

Formal Contexts Only

Stick to using '가역성' in essays, reports, and academic discussions. It's too heavy for daily chat.

Particle Match

Use '-이/가' with '있다/없다' and '-을/를' with '띠다/상실하다/확보하다'.

Learn the Opposite

Always learn '비가역성' alongside '가역성' as they are almost always discussed together.

Hanja Power

Remember 可 (Possible) + 逆 (Reverse). It's the 'Possible Reverse' property.

Chemistry Tip

In chemistry, '가역 반응' is the standard term for reactions that reach equilibrium.

Developmental Tip

If you study education, '가역성' is a key concept for Piaget's 'Concrete Operational' stage.

Precision

Use '가역성' when you want to emphasize the systemic nature of returning to a state.

Pronunciation

Don't rush the 'yeok' sound. It's the most important part of the word.

News Context

When you hear '가역성' on the news, it's usually about climate change or legal issues.

Intellectualism

Using this word correctly can make you sound very knowledgeable in Korean academic circles.

Einprägen

Eselsbrücke

Think of 'GO' (가) and 'BACK' (역). '성' is the 'Property'. So, Gayeokseong is the 'Go-Back-Property'.

Visuelle Assoziation

Imagine a 'U-Turn' sign. If a road has '가역성', you can always make a U-turn and go back home.

Word Web

Science Physics Undo Back Hanja: 可 Hanja: 逆 Hanja: 性 Equilibrium

Herausforderung

Try to find 3 things in your room that have '가역성' (like a clickable pen) and 3 things that don't (like a piece of toast).

Wortherkunft

The word is a Sino-Korean compound. '가' (可) means possible or able. '역' (逆) means to reverse, go against, or turn back. '성' (性) means nature, property, or quality.

Ursprüngliche Bedeutung: The nature of being able to go against the current or turn back to the start.

Sino-Korean (Hanja)

Kultureller Kontext

No specific sensitivities, but avoid using it for people's feelings as it sounds cold and mechanical.

English speakers use 'reversibility' similarly, but often prefer simpler verbs like 'undo' or 'go back' in non-scientific contexts.

Piaget's Cognitive Development stages (taught in all Korean education degrees). The Second Law of Thermodynamics (a staple of the Korean CSAT science section). Tenet (the movie), which deals with the inversion/reversibility of time.

Im Alltag üben

Kontexte aus dem Alltag

Chemistry Lab

가역 반응을 관찰하다
가역성을 확인하다
평형 상수를 구하다
반응 속도를 조절하다

Psychology Lecture

인지적 가역성
발달 단계
논리적 추론
보존 개념

Environmental Discussion

환경의 가역성
비가역적 피해
생태계 복원
지속 가능한 개발

IT/Software Development

데이터 가역성
롤백 기능
암호화 및 복호화
시스템 복구

Legal/Policy Making

정책의 가역성
결정의 번복
사회적 합의
사후 수정

Gesprächseinstiege

"열역학에서 가역성이 왜 그렇게 중요한가요?"

"아이들이 가역성을 이해하기 시작하는 나이가 언제쯤일까요?"

"우리가 내리는 결정 중에 가역성이 있는 것은 얼마나 될까요?"

"기후 변화가 가역성을 잃었다고 생각하시나요?"

"디지털 세계의 가역성은 우리 삶을 어떻게 바꿨을까요?"

Tagebuch-Impulse

오늘 내가 한 일 중에서 가역성이 있었던 일과 없었던 일을 적어보세요.

만약 시간의 가역성이 증명된다면, 당신은 과거의 어떤 시점으로 돌아가고 싶나요?

인간관계에서 가역성이란 무엇이라고 생각하는지 당신의 견해를 서술하세요.

완벽한 가역성을 가진 시스템을 설계할 수 있다면 어떤 분야에 적용하고 싶나요?

비가역적인 선택을 해야 했을 때 느꼈던 감정에 대해 써보세요.

Häufig gestellte Fragen

10 Fragen

No, for reversible clothes, Koreans use '양면' (two-sided). '가역성' is too scientific for fashion.

The most common verbs are '있다' (to have) and '없다' (to not have).

It's not natural. Use '마음을 돌리다' or '생각을 바꾸다' instead.

No, it is a B2/C1 level word. A1 learners should use '다시 할 수 있어요'.

It is 逆 (거스를 역), which means to go against or reverse.

You say '비가역적' (adjective) or '비가역성' (noun).

It explains how children develop logical thinking, like understanding math operations.

Yes, for reversible computing or data recovery processes.

No, it is a neutral scientific term, but 'losing' it (가역성을 잃다) often has a negative context.

Yes, if you are describing a system that returns to its state very efficiently.

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