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B2 noun 6 دقیقه مطالعه

拡張

kakucho

تمرین کن مثال‌ها نکات و راهنمایی‌ها 拡張 در ۳۰ ثانیه

توضیح 拡張 in your Level:

At the A1 level, you don't need to use '拡張' (kakuchou) yourself yet, as it's a bit formal. However, you might see it in very specific places. The most common place is on your computer or smartphone. If you use a web browser like Chrome, the 'extensions' you add to it are called '拡張機能' (kakuchou kinou) in Japanese. Think of it like adding a new tool to your toolbox. Another place you might see it is in '拡張子' (kakuchoushi), which is the 'file extension' at the end of a file name, like .jpg or .mp3. Even though the word looks difficult, remember it simply means making something bigger or adding a new part to something that already exists. At this stage, just recognize that when you see '拡張', it probably has something to do with 'adding more' or 'making more space.' You can think of it as a formal version of 'making bigger.' You won't hear people say it in basic greetings or daily life talk, but you will see it on screen buttons and menus. It's a useful word to know if you want to use Japanese software or websites. For now, just focus on the 'extra part' or 'extension' meaning in technology.

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At the A2 level, you can start understanding '拡張' (kakuchou) in the context of physical spaces and simple technology. You might hear it in announcements about construction, specifically '道路拡張工事' (douro kakuchou kouji), which means 'road widening work.' If you are walking in a Japanese city and see a sign with this word, it means the road is being made wider to fit more cars or people. You can also use it when talking about your computer storage or memory. For example, 'メモリを拡張する' (memori o kakuchou suru) means 'to expand the memory.' This is a common phrase if you are interested in tech. Remember that '拡張' is a 'suru-verb,' so you add 'suru' to make it an action. It's different from 'ookiku suru' (to make big) because '拡張' sounds more like a professional or technical project. It's not just making something bigger; it's extending it. Think of a house: if you add a new balcony, that is 拡張. In your studies, you might see it in simple news articles about a company opening a new branch, though '拡大' (kakudai) is also used there. Try to recognize the 'extension' part of the meaning.

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At the B1 level, you should be able to use '拡張' (kakuchou) in business and semi-formal contexts. You'll notice that '拡張' is often used when talking about the scope of something. For example, if you are discussing a project, you might talk about '機能の拡張' (kinou no kakuchou) – the expansion of functions or features. This is very common in product development. You should also start to distinguish '拡張' from '拡大' (kakudai). While '拡大' is a general word for 'enlargement' (like magnifying a photo), '拡張' specifically suggests extending the boundaries or adding onto a system. In a B1 conversation, you might say, '事業を拡張する計画があります' (We have a plan to expand the business). This sounds more professional than using simpler words. You will also encounter '拡張' in more abstract ways, such as '解釈の拡張' (expansion of interpretation). This means taking a rule or a word and making its meaning broader to cover more situations. At this level, you should be comfortable seeing '拡張' in news headlines, especially those related to the economy or urban development. It's a key word for understanding how systems and infrastructures grow.

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At the B2 level, '拡張' (kakuchou) is a word you should use with precision. You are expected to understand its nuances in technical, legal, and academic contexts. For instance, you should know that '拡張現実' (kakuchou genjitsu) is the term for 'Augmented Reality' (AR), where digital information 'extends' our physical reality. You should also be able to use the word in complex sentences involving cause and effect, such as '都市の急激な人口増加に対応するため、公共交通網の拡張が急務となっている' (In order to respond to the rapid population growth of the city, the expansion of the public transport network has become an urgent matter). At this level, you should also understand the concept of '拡張性' (kakuchousei), which translates to 'extensibility' or 'scalability' in software engineering and systems design. Using '拡張' instead of '拡大' in the right places shows that you understand the structural nature of the growth you are describing. You should also be aware of formal collocations like '勢力拡張' (expansion of influence) or '販路拡張' (expansion of sales channels). Your ability to use '拡張' in a 'noun + suru' format or as a part of a compound noun should be fluid.

At the C1 level, you should have a nuanced command of '拡張' (kakuchou) and be able to use it in sophisticated discourse. This includes understanding its application in legal and philosophical frameworks. For example, '権利の拡張' (the expansion of rights) refers to the historical or legal process of extending protections to new groups. You should be able to discuss the '拡張的解釈' (expansive interpretation) of laws or treaties, which is a specific legal term. In academic writing, you might use '拡張' to describe the broadening of a theory's application to new fields. You should also be familiar with the economic term '景気拡張期' (expansionary phase of the business cycle) and be able to analyze economic trends using this vocabulary. Your usage should reflect an understanding that '拡張' implies a systematic or structural increase in scope. You can distinguish it effortlessly from '拡充' (kakuju - expansion and enrichment) and '増強' (zoukyou - reinforcement/strengthening). In a professional setting, you might use it to talk about 'システムの拡張性' (system scalability) when discussing long-term architecture. At this level, '拡張' is not just a word for 'making bigger' but a precise term for describing the intentional broadening of boundaries, functions, and spheres of influence.

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At the C2 level, your understanding of '拡張' (kakuchou) should be indistinguishable from that of a native speaker with a high level of education. you can use it in highly specialized fields, such as mathematics (e.g., '概念の拡張' - the extension of a concept like numbers from real to complex), linguistics, or advanced computer science. You understand the philosophical implications of '拡張' in terms of human capacity or the 'extended mind' theory (拡張された心). You can use the word in rhetorical contexts to describe the 'extension' of one's ego or influence in a literary sense. You are also fully aware of the historical weight of the word in contexts like '領土拡張' (territorial expansion), understanding the political sensitivities associated with it. In high-level business strategy, you can use '拡張' to describe the 'scaling' of a business model in a way that emphasizes the preservation of the core architecture while pushing the boundaries. You can also handle the word in its most abstract forms, such as the 'extension of consciousness.' At this level, the word is a flexible tool that you can apply to any domain, from the most concrete construction project to the most ethereal philosophical argument, always maintaining the correct register and tone.

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تمرین کن مثال‌ها نکات و راهنمایی‌ها

拡張 در ۳۰ ثانیه

拡張 (kakuchou) means expansion or extension of scope, size, or function.
Commonly used in IT (browser extensions), construction (road widening), and business.
It is a formal suru-verb (拡張する) used for systems and structures.
Differs from 拡大 (general size increase) by emphasizing adding onto something existing.

The Japanese word 拡張 (かくちょう - kakuchou) is a versatile noun that primarily translates to "extension," "expansion," or "enlargement." It is a kango (Sino-Japanese word) composed of two kanji: 拡 (to widen or spread) and 張 (to stretch or extend). While it can describe physical growth, it is most frequently encountered in technical, urban, and abstract contexts where a system, space, or function is being systematically increased in scope or size. For an English speaker, the best way to conceptualize 拡張 is to think of it as a deliberate act of making something bigger to accommodate more capacity or to add new features.

Physical Expansion: Used when talking about widening roads (道路の拡張) or enlarging a building's footprint. It implies a structural change to the existing physical boundaries.

Digital/IT Context: This is perhaps the most common modern usage. It refers to 'extensions' in a web browser (ブラウザの拡張機能) or 'file extensions' (拡張子) like .jpg or .docx. It also applies to expanding system memory or storage.

Abstract Expansion: Used for expanding the scope of business operations, human rights, or the definition of a concept. It suggests that the 'reach' of something is being pushed further than its previous limits.

この道路は、交通量の増加に伴い拡張されることになった。(This road is set to be widened due to the increase in traffic volume.)

新しいブラウザの拡張機能をインストールしました。(I installed a new browser extension.)

事業を海外へと拡張する計画があります。(There is a plan to expand the business overseas.)

メモリの拡張は自分でも簡単にできます。(Expanding the memory is something you can easily do yourself.)

解釈の拡張によって、多くの人が救われた。(Many people were saved by the expansion of the interpretation [of the law].)

Understanding 拡張 requires distinguishing it from similar words like 拡大 (kakudai). While 拡大 often refers to magnifying an image or a general increase in scale (like a company getting bigger), 拡張 specifically highlights the addition of new space or functionality to an existing framework. If you add a new room to a house, that is 拡張. If you simply make the existing living room bigger by moving a wall outward, it could be both, but 拡張 emphasizes the 'extension' of the structure's reach.

Using 拡張 correctly involves understanding its role as a suru-verb (拡張する) and its common noun pairings. It is a formal word, making it highly appropriate for news reports, technical manuals, business meetings, and academic papers. In daily conversation, you might hear it when people talk about their computers or local construction projects.

Transitive Usage (Active): [Subject] は [Object] を拡張する. Example: 'The city expanded the park.' (市は公園を拡張した。)

Passive Usage: [Object] が拡張される. Example: 'The network is being expanded.' (ネットワークが拡張されている。)

Noun + Noun Compounds: 拡張工事 (Expansion work), 拡張機能 (Extension function/feature), 拡張子 (File extension), 規模の拡張 (Expansion of scale).

このソフトは、ユーザーが自由に機能を拡張できるよう設計されています。(This software is designed so that users can freely expand its functions.)

駅前の道路が拡張されて、渋滞が解消されました。(The road in front of the station was widened, and the traffic congestion was resolved.)

彼は自分の知識を拡張するために、多くの本を読んでいます。(He is reading many books to expand his knowledge.)

In a business context, 拡張 usually refers to 'scaling up.' If a company says they are 'expanding their sales channels' (販路を拡張する), it implies they are adding new routes or methods to sell their products. This nuance of 'adding on' or 'extending the reach' is vital. It contrasts with simple growth (成長), which might just mean making more money without necessarily changing the structure or scope of the business.

You will encounter 拡張 in several specific environments. Understanding these contexts will help you recognize the word's underlying theme of 'extending boundaries.'

Information Technology (IT): In the tech world, 拡張 is everywhere. 'Browser extensions' are 拡張機能 (kakuchou kinou). 'File extensions' (.txt, .png) are 拡張子 (kakuchoushi). When a programmer talks about 'extending a class' in object-oriented programming, they might use the term 拡張.

Urban Planning and Construction: Public announcements often mention 道路拡張工事 (douro kakuchou kouji) - road widening work. If you live in Japan, you will see signs near construction sites using this term to explain why a sidewalk or road is blocked.

News and Economy: Economic reports discuss 景気拡張期 (keiki kakuchouki), which refers to a period of economic expansion or a 'boom.' It describes a phase where the economy is growing outward in size and influence.

「このファイルの拡張子を変更してください。」("Please change the file extension of this file.")

「来月から工場の拡張工事が始まります。」("Expansion work on the factory will begin next month.")

Another modern context is AR (Augmented Reality), which in Japanese is 拡張現実 (Kakuchou Genjitsu) – literally "expanded reality." This perfectly captures the meaning of 拡張: adding a layer of digital information onto the existing physical world, thereby 'extending' what we perceive.

While 拡張 is a common word, learners often confuse it with other 'increase' or 'expand' words. Understanding the subtle boundaries between these terms is key to sounding natural.

拡張 vs. 拡大 (Kakudai): 拡大 is used for magnifying images, zooming in, or a general increase in size/scale (like 'expanding a business'). 拡張 is more about 'extending' the reach or adding new parts. You 'magnify' (拡大) a photo, but you 'extend' (拡張) a road.

拡張 vs. 延長 (Enchou): 延長 is used for time or length in a single direction. You 'extend' (延長) a deadline or the length of a rope. 拡張 is used for space, scope, or function. If you make a 1-hour meeting 2 hours, use 延長. If you add more topics to the meeting agenda, 拡張 might be more appropriate (though 拡大 is also common here).

拡張 vs. 増築 (Zouchiku): 増築 specifically refers to adding a new building or a new room to an existing house (construction-specific). 拡張 is the general term for 'expansion' that could include 増築 but also applies to many non-construction contexts.

❌ 写真を拡張する (Incorrect for 'zooming in' on a photo)
✅ 写真を拡大する (Correct)

❌ 締め切りを拡張する (Incorrect for 'extending a deadline')
✅ 締め切りを延長する (Correct)

Another mistake is using 拡張 for human growth. You would not say a child is 'expanding' (拡張) as they grow taller. That would be 成長 (seichou). 拡張 is for systems, physical structures, and abstract concepts like rights or influence.

To truly master 拡張, you should know its synonyms and how they differ in nuance. This will help you choose the most precise word for your situation.

拡大 (Kakudai): Focuses on the increase in size, scale, or volume. It is often used for magnifying images, expanding business scale, or the spreading of a disease. It is the most common 'expansion' word.

拡充 (Kakuju): This word means to 'expand and enrich.' It's not just about getting bigger; it's about making the internal content better or more substantial. For example, 'expanding the welfare system' (福祉の拡充) implies making it both larger and better.

伸張 (Shinchou): Means to stretch or extend. Often used for influence, power, or physical elasticity. 'The expansion of influence' (勢力の伸張).

サービスを拡充して、顧客満足度を高める。(We will expand and enrich our services to increase customer satisfaction.)

事業を拡大し、新市場に参入する。(We will expand our business and enter new markets.)

In technical documentation, you might also see 展開 (tenkai), which means 'deployment' or 'unfolding.' While 拡張 adds to something existing, 展開 is about spreading something out into a new area. For example, 'deploying a network' (ネットワークの展開) vs. 'expanding a network' (ネットワークの拡張).

چقدر رسمی است؟

نکته جالب

The kanji 張 (chou) is also the origin of the Japanese surname 'Cho' and is used in words like 'tenshun' (tension). It literally looks like a bow (弓) being stretched.

راهنمای تلفظ

UK kakɯtɕoː

US kɑkʊtʃoʊ

The pitch usually starts low on 'ka', rises on 'ku', and stays high through 'chou' (Heiban pattern).

هم‌قافیه با

緊張 (kinjou - tension) 主張 (shuchou - claim) 誇張 (kochou - exaggeration) 屋上 (okujou - rooftop) 表情 (hyoujou - expression) 同情 (doujou - sympathy) 道場 (doujou - dojo) 登場 (toujou - appearance)

خطاهای رایج

Pronouncing 'chou' as a short 'cho'. It must be long.
Confusing the 'ka' sound with 'ga'.
Misplacing the small 'tsu' sound (though 拡張 doesn't have one, some learners accidentally add a pause).

سطح دشواری

خواندن 4/5

Kanji are standard but require knowledge of the 'chou' reading which is common in many words.

نوشتن 5/5

The kanji '拡' and '張' have many strokes and are easy to miswrite.

صحبت کردن 3/5

Pronunciation is straightforward as long as the long vowel is maintained.

گوش دادن 3/5

Easily recognized in context, though can be confused with other 'kaku-' words if not careful.

بعداً چه یاد بگیریم؟

پیش‌نیازها

拡大広い機能工事変更

بعداً یاد بگیرید

拡充拡散延長縮小展開

پیشرفته

脱構築擬似官僚機構法治主義多角化

گرامر لازم

Suru-verbs as Nouns

拡張は必要だ。 (Expansion is necessary.)

Passive of Suru-verbs

道路が拡張された。 (The road was expanded.)

Noun + No + Noun

機能の拡張 (Expansion of functions)

Verb modifying Noun

拡張する計画 (A plan to expand)

Potential form of Suru-verbs

拡張できる (Can expand)

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مثال‌ها بر اساس سطح

パソコンの拡張機能を入れました。

I added a computer extension.

拡張機能 (kakuchou kinou) means 'extension function' or 'browser extension'.

このファイルの拡張子は何ですか？

What is this file's extension?

拡張子 (kakuchoushi) is the technical term for 'file extension'.

メモリを拡張したいです。

I want to expand the memory.

メモリ (memori) is memory. 拡張したい means 'want to expand'.

画面を拡張して使います。

I use it by extending the screen.

拡張して (kakuchou shite) is the te-form of 拡張する, used here to show the method.

これは拡張版のゲームです。

This is the expanded version of the game.

拡張版 (kakuchou-ban) means 'expanded version' or 'expansion pack'.

ブラウザを拡張します。

I will expand the browser (functions).

拡張します is the polite non-past form of 拡張する.

USBポートを拡張する道具を買いました。

I bought a tool to expand the USB ports.

USBポートを拡張する (expand USB ports) modifies the noun 道具 (tool).

機能の拡張は無料です。

Expanding the functions is free.

機能の拡張 (expansion of functions) uses the particle 'no' to link two nouns.

道路の拡張工事をしています。

They are doing road widening work.

拡張工事 (kakuchou kouji) is a common compound for 'expansion construction'.

この公園は来年、拡張されます。

This park will be expanded next year.

拡張されます (kakuchou saremasu) is the passive form, meaning 'will be expanded'.

新しいハードディスクで容量を拡張しました。

I expanded the capacity with a new hard drive.

容量 (youryou) means capacity. 拡張しました is the past tense.

お店を拡張して、席を増やしました。

We expanded the shop and increased the seats.

拡張して (kakuchou shite) links two actions: expanding and increasing.

このアプリは機能を拡張できます。

This app can expand its functions.

拡張できます (kakuchou dekimasu) is the potential form, 'can expand'.

市の図書館が拡張されることになった。

It was decided that the city library will be expanded.

～ことになった indicates a decision made by an organization or situation.

駅のホームを拡張する計画があります。

There is a plan to expand the station platform.

拡張する計画 (plan to expand) uses the verb to modify the noun 'plan'.

もっと事業を拡張したいと考えています。

I am thinking that I want to expand the business more.

～と考えています means 'I am thinking that...'.

ネットワークの拡張には多額の費用がかかる。

Expanding the network costs a large amount of money.

多額の費用 (tagaku no hiyou) means 'a large cost'.

このシステムは将来の拡張を考慮して設計されている。

This system is designed considering future expansion.

考慮して (kouryo shite) means 'considering' or 'taking into account'.

販路を拡張するために、新しい広告を始めた。

To expand sales channels, we started new advertisements.

販路 (hanro) means sales channels or market reach.

その法律は、適用範囲が拡張された。

The scope of application of that law was expanded.

適用範囲 (tekiyou han'i) means 'scope of application'.

会社は海外市場への拡張を急いでいる。

The company is hurrying its expansion into overseas markets.

～への拡張 means 'expansion into/to'.

この建物は、十年前の拡張工事で今の形になった。

This building became its current shape through expansion work ten years ago.

拡張工事で (through expansion work) uses 'de' to indicate the means.

データの拡張性を高めることが重要だ。

It is important to increase the extensibility of the data.

拡張性 (kakuchousei) means 'extensibility' or 'scalability'.

彼は自分の影響力を拡張しようとしている。

He is trying to expand his influence.

拡張しようとしている (volitional + to shite iru) means 'trying to/attempting to'.

拡張現実（AR）技術は、医療現場でも活用されている。

Augmented Reality (AR) technology is also being used in medical settings.

拡張現実 (kakuchou genjitsu) is the standard Japanese term for AR.

この都市は、周辺の町を吸収して市域を拡張してきた。

This city has expanded its city limits by absorbing surrounding towns.

市域 (shiiki) means city area or city limits.

既存のインフラを拡張するのは、新設するより難しい場合がある。

Expanding existing infrastructure can sometimes be more difficult than building new ones.

既存 (kizon) means 'existing'. 新設 (shinsetsu) means 'newly established'.

政府は経済政策によって、内需の拡張を図っている。

The government is aiming for the expansion of domestic demand through economic policies.

内需 (naiju) means domestic demand. 図っている (hakatte iru) means 'aiming for'.

このプラグインを使えば、ブラウザの機能を大幅に拡張できる。

If you use this plugin, you can significantly expand the browser's functions.

大幅に (oohaba ni) means 'drastically' or 'significantly'.

宇宙は今も猛烈なスピードで拡張し続けていると言われている。

It is said that the universe is still continuing to expand at a fierce speed.

拡張し続けている (kakuchou shi tsuzukete iru) means 'continuing to expand'.

彼はその理論を拡張して、新しいモデルを提唱した。

He expanded that theory and proposed a new model.

提唱した (teishou shita) means 'proposed' or 'advocated'.

空港の滑走路を拡張するため、用地の買収が進められている。

In order to expand the airport runway, the acquisition of land is being carried out.

用地の買収 (youchi no baishuu) means 'land acquisition'.

憲法の解釈を拡張することで、自衛隊の活動範囲が広がった。

By expanding the interpretation of the Constitution, the scope of the Self-Defense Forces' activities widened.

解釈を拡張する (expand interpretation) is a key legal/political phrase.

その企業は、多角化戦略の一環として事業領域を拡張した。

The company expanded its business domain as part of a diversification strategy.

多角化戦略 (takakuka senryaku) means 'diversification strategy'.

このアルゴリズムは、多次元データへの拡張が可能である。

This algorithm is capable of expansion to multi-dimensional data.

～が可能である is a formal way to say 'can' or 'is possible'.

景気拡張期には、企業の設備投資が活発になる傾向がある。

During an economic expansion period, corporate capital investment tends to become active.

景気拡張期 (keiki kakuchouki) is the technical term for an economic boom/expansion.

彼は自己の意識を拡張するために、瞑想を日課にしている。

He makes meditation a daily routine to expand his own consciousness.

意識を拡張する (expand consciousness) is an abstract/philosophical use.

都市計画において、緑地の拡張は住民の生活の質を向上させる。

In urban planning, the expansion of green spaces improves the quality of life for residents.

生活の質 (seikatsu no shitsu) means 'Quality of Life' (QOL).

このプロトコルは、将来的なノードの拡張を前提に設計されている。

This protocol is designed on the premise of future node expansion.

～を前提に (o zentei ni) means 'on the premise of' or 'assuming'.

権力の拡張は、しばしば他者との衝突を引き起こす。

The expansion of power often causes conflicts with others.

引き起こす (hikiokosu) means 'to cause' or 'to trigger'.

デリダの脱構築は、テクストの外部への意味の拡張を問うものである。

Derrida's deconstruction questions the expansion of meaning to the outside of the text.

意味の拡張 (expansion of meaning) in a literary/philosophical sense.

近代国家は、官僚機構の拡張を通じて国民の管理を強めてきた。

Modern states have strengthened the management of citizens through the expansion of bureaucratic machinery.

官僚機構 (kanryou kikou) means 'bureaucratic machinery/organization'.

この数学的命題は、複素数平面全体へと拡張して考えることができる。

This mathematical proposition can be considered by expanding it to the entire complex plane.

複素数平面 (fukusuusuu heimen) means 'complex plane' in mathematics.

サイボーグ技術による身体能力の拡張は、倫理的な議論を呼んでいる。

The expansion of physical abilities through cyborg technology is sparking ethical debates.

議論を呼んでいる (giron o yonde iru) means 'is calling for/sparking debate'.

帝国主義の時代、列強は競って領土の拡張に奔走した。

During the era of imperialism, the great powers vied with each other to expand their territories.

領土の拡張 (territorial expansion) is a historical/political term.

情報通信技術の発展は、人間の認知能力を擬似的に拡張させた。

The development of ICT has pseudo-expanded human cognitive abilities.

擬似的に (gijiteki ni) means 'pseudo-' or 'artificially'.

法解釈の過度な拡張は、法治主義の原則を損なう恐れがある。

Excessive expansion of legal interpretation risks undermining the principles of the rule of law.

損なう恐れがある (sokonau osore ga aru) means 'there is a fear/risk of damaging'.

宇宙論におけるインフレーション理論は、宇宙の急激な拡張を説明する。

The inflation theory in cosmology explains the rapid expansion of the universe.

インフレーション理論 (infureeshon riron) is 'Inflation Theory'.

مترادف‌ها

拡大伸張増設広げる展開

متضادها

縮小制限

ترکیب‌های رایج

拡張機能

拡張工事

拡張子

拡張現実

機能を拡張する

販路を拡張する

規模を拡張する

拡張性がある

解釈を拡張する

市域を拡張する

عبارات رایج

メモリの拡張

— Increasing the amount of RAM in a computer. It is a very common phrase for tech users.

古いパソコンのメモリを拡張して、動作を速くした。

道路の拡張

— Widening a road to handle more traffic. You see this on construction signs everywhere.

道路の拡張により、歩道が広くなった。

事業の拡張

— Expanding the scope or size of a business. Used in formal corporate settings.

我が社は、来年度の事業拡張を計画しています。

拡張パック

— An expansion pack for a video game or board game. Adds new content.

大人気のゲームに新しい拡張パックが登場した。

拡張スロット

— Expansion slots in a computer for adding hardware like graphics cards.

マザーボードの拡張スロットを確認する。

拡張子を変更する

— Changing a file extension. A common task in computer management.

拡張子を変更すると、ファイルが開けなくなることがあります。

拡張的な解釈

— An expansive or broad interpretation of a rule or text.

彼はその規則を拡張的に解釈して、自分に有利に進めた。

ネットワークの拡張

— Expanding a computer network or communication infrastructure.

5Gネットワークの拡張が全国で進んでいる。

拡張現実の世界

— The world of Augmented Reality (AR).

拡張現実の世界では、現実とデジタルが融合する。

拡張性の高い設計

— A design that is highly extensible or scalable.

拡張性の高い設計のおかげで、新機能の追加がスムーズだった。

اغلب اشتباه گرفته می‌شود با

拡張 vs 拡大 (kakudai)

Kakudai is for general magnification or making things bigger. Kakuchou is for extending scope or adding parts.

拡張 vs 延長 (enchou)

Enchou is for extending time or linear length (like a deadline or a string).

拡張 vs 拡充 (kakuju)

Kakuju means expanding and improving/enriching the content at the same time.

اصطلاحات و عبارات

"手を広げる"

— While not using the word '拡張', this idiom means 'to expand one's business or activities,' often used as a synonym for 事業を拡張する.

彼は色々な商売に手を広げすぎている。

Informal/Neutral

"風呂敷を広げる"

— Literally 'to spread out a wrapping cloth,' it idiomatically means to talk big or make grand plans that might be difficult to achieve (over-expansion of claims).

彼はいつも大きな風呂敷を広げるが、実行力が伴わない。

Informal

"羽を広げる"

— Literally 'to spread wings,' used to mean someone is acting freely or expanding their influence/presence.

新天地で彼は自由に羽を広げている。

Literary

"裾野を広げる"

— To broaden the base of something (like a fan base or a market), similar to expanding the scope.

クラシック音楽の裾野を広げる活動をしている。

Neutral

"間口を広げる"

— To broaden the entrance or the range of things one deals with.

専門外の分野にも間口を広げて勉強する。

Neutral

"枠を広げる"

— To expand the framework or boundaries of a system or rule.

採用の枠を広げて、より多くの人材を求める。

Neutral

"視野を広げる"

— To expand one's perspective or horizons.

海外旅行は視野を広げる良い機会だ。

Neutral

"勢力を伸ばす"

— To expand one's power or influence (similar to 勢力拡張).

その政党は地方で勢力を伸ばしている。

Neutral

"翼を広げる"

— Similar to 羽を広げる, often used for organizations expanding their reach.

その企業は世界中に翼を広げている。

Literary

"触手を伸ばす"

— To extend tentacles; idiomatically means to try to get involved in or take over something new (often with a slightly negative 'greedy' nuance).

IT企業が金融業界にも触手を伸ばしている。

Neutral/Journalistic

به‌راحتی اشتباه گرفته می‌شود

拡張 vs 増築

Both involve making a building bigger.

増築 is specifically 'adding a room/building' in construction. 拡張 is a general term for expansion that can apply to anything.

家を増築した (I added a room to my house). 庭を拡張した (I expanded the garden area).

拡張 vs 普及

Both involve something 'spreading.'

普及 is about something becoming popular or widely used (like smartphones). 拡張 is about the thing itself getting bigger or more capable.

スマホが普及した (Smartphones became common). スマホの機能を拡張した (I expanded the phone's features).

拡張 vs 発展

Both relate to growth.

発展 is qualitative growth or progress. 拡張 is quantitative/spatial growth.

経済が発展する (The economy develops). 会社が事務所を拡張する (The company expands its office space).

拡張 vs 進出

Both are used for business growth.

進出 is 'entering' a new market or area. 拡張 is 'growing' within or from an existing base.

海外に進出する (Enter an overseas market). 海外拠点を拡張する (Expand an overseas base).

拡張 vs 増強

Both mean 'adding more.'

増強 emphasizes 'strengthening' or 'reinforcing' power or capacity.

サーバーを増強する (Reinforce/strengthen the server capacity). ネットワークを拡張する (Expand the network reach).

الگوهای جمله‌سازی

[Noun] を拡張する

メモリを拡張する。

[Noun] の拡張工事

駅の拡張工事。

[Noun] が拡張される

市域が拡張される。

拡張性が高い/低い

このシステムは拡張性が高い。

[Abstract Noun] の拡張

権利の拡張。

～の拡張を図る

販路の拡張を図る。

～への拡張が可能である

多次元への拡張が可能である。

拡張的解釈

法文の拡張的解釈。

خانواده کلمه

اسم‌ها

拡張性 (kakuchousei) - extensibility/scalability

拡張子 (kakuchoushi) - file extension

拡張版 (kakuchouban) - expanded version

拡張機 (kakuchouki) - expander (machine)

فعل‌ها

拡張する (kakuchou suru) - to expand/extend

صفت‌ها

拡張的な (kakuchouteki na) - expansive/extensional

مرتبط

拡大 (kakudai) - enlargement

拡充 (kakuju) - enrichment and expansion

拡散 (kakusan) - diffusion/scattering

広大 (koudai) - vast/huge

広範 (kouhan) - wide-ranging

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نحوه استفاده

frequency

Common in tech, business, and news; rare in casual daily 'chitchat' about small things.

اشتباهات رایج

Using 拡張 to magnify a photo. → 拡大 (kakudai)
拡張 is for adding space or functions; 拡大 is for making the existing image appear larger.
Using 拡張 for extending a deadline. → 延長 (enchou)
拡張 is for space/scope; 延長 is for time and linear length.
Confusing 拡張 with 拡充. → Depends on context.
拡張 is just 'bigger/more'; 拡充 is 'bigger and better' (enrichment).
Saying '拡張子' for a phone extension. → 内線 (naisen)
拡張子 is only for computer file extensions (.jpg, etc.).
Using 拡張 for a person's physical growth. → 成長 (seichou) or 背が伸びる (se ga nobiru)
People don't 'expand' (拡張); they 'grow' (成長).

نکات

IT Context

If you are talking about computers, 拡張 is almost always the right choice for 'adding features' or 'widening capacity.'

Suru-Verb

Don't forget that 拡張 is a noun. To use it as a verb, you must add 'suru' (拡張する).

Kanji Tip

The 'chou' in 拡張 is the same 'chou' in 'shuchou' (claim). It means to stretch out your point or your boundaries.

Expansion vs. Enlargement

Think of 拡張 as 'adding a new wing' and 拡大 as 'blowing up a balloon.'

File Names

Knowing 拡張子 (file extension) is essential for working in a Japanese office environment.

Road Signs

Look for 拡張 on yellow construction signs in Japan. It's a great way to see the word in the real world.

Memory Hack

Kaku-Chou sounds a bit like 'Cock-tail' (if you stretch it!). Think of extending a party by adding more cocktails.

Pitch Accent

Keep your voice flat after the initial 'ka' to sound more like a native speaker.

Better than Hirogeru

Using 拡張する instead of 広げる in a presentation will make you sound much more professional.

AR/VR

Learning 拡張現実 (AR) is a must-know for anyone interested in modern Japanese technology trends.

حفظ کنید

روش یادسپاری

Think of a 'Kaku' (cockpit) that is too small, so you need to 'Chou' (chew) through the walls to EXTEND the space.

تداعی تصویری

Imagine a road being stretched out like a rubber band by two giant hands. One hand is labeled '拡' and the other '張'.

شبکه واژگان

Road widening Browser extension File extension (.jpg) Business expansion Scalability Augmented Reality Memory upgrade Scope of rights

چالش

Try to find 3 '拡張機能' (extensions) in your web browser and say their names in Japanese using the word 拡張.

ریشه کلمه

Borrowed from Middle Chinese. The first kanji '拡' (kaku) means to spread or widen. The second kanji '張' (chou) means to stretch, like a bowstring or a tent.

معنای اصلی: To stretch out and widen the boundaries of something.

Sino-Japanese (Kango)

بافت فرهنگی

Be careful when using it in political contexts like 'territorial expansion' (領土拡張), as it carries historical weight related to imperialism.

English speakers often use 'expansion' for business and 'extension' for software. In Japanese, 拡張 covers both, which can be confusing at first.

拡張現実 (Augmented Reality) - A common topic in Japanese sci-fi like 'Dennou Coil'. 道路拡張 (Road Widening) - A frequent plot point in Japanese local politics/news. 拡張子 (File Extensions) - A fundamental concept taught in Japanese basic IT literacy classes.

تمرین در زندگی واقعی

موقعیت‌های واقعی

Information Technology

拡張機能をインストールする
拡張子を変更する
メモリの拡張
システムの拡張性

Urban Planning

道路拡張工事
市域の拡張
滑走路の拡張
インフラの拡張

Business

事業の拡張
販路を拡張する
規模の拡張
市場の拡張

Academics/Law

解釈の拡張
権利の拡張
概念の拡張
適用範囲の拡張

Science/Cosmology

宇宙の拡張
体積の拡張
理論の拡張
モデルの拡張

شروع‌کننده‌های مکالمه

"おすすめのブラウザの拡張機能はありますか？ (Do you have any recommended browser extensions?)"

"最近、近所で道路の拡張工事をしていませんか？ (Has there been any road widening work in your neighborhood lately?)"

"パソコンのメモリを拡張したことはありますか？ (Have you ever expanded your computer's memory?)"

"ビジネスを拡張するために、何が一番重要だと思いますか？ (What do you think is most important for expanding a business?)"

"拡張現実（AR）を使ったゲームで遊んだことがありますか？ (Have you ever played a game that uses Augmented Reality?)"

موضوعات نگارش

もし自分の能力を一つ拡張できるなら、何を選びますか？その理由も書いてください。 (If you could expand one of your abilities, what would you choose? Write the reason as well.)

最近使って便利だった拡張機能について詳しく説明してください。 (Explain in detail about an extension you used recently that was useful.)

自分の住んでいる街で、もっと拡張してほしい場所はどこですか？ (Where in the city you live would you like to see expanded?)

仕事や勉強の範囲を拡張するために、どのような計画を立てていますか？ (What kind of plans are you making to expand the scope of your work or studies?)

「拡張現実」が普及した未来は、私たちの生活をどう変えると思いますか？ (How do you think a future where Augmented Reality is widespread will change our lives?)

سوالات متداول

10 سوال

No, for photos you should use 拡大 (kakudai). 拡張 implies adding new space or functions, not just magnifying what is already there.

Not always. For a phone extension, use 内線 (naisen). For a deadline extension, use 延長 (enchou). Use 拡張 for software extensions or physical widening.

They are very similar. 拡張機能 (kakuchou kinou) is the general Japanese term for 'extension,' while プラグイン (puraguin) is the katakana for 'plugin.' They are often used interchangeably in IT.

Yes, it is relatively formal. In casual conversation, people might use 'hirogeru' (to spread/widen) instead, but 拡張 is standard for tech and business.

It is 拡張子 (kakuchoushi). The 'shi' at the end is a common suffix for technical markers or particles.

Yes, you can say 知識を拡張する (chishiki o kakuchou suru), although 知識を広げる (chishiki o hirogeru) is more common in daily speech.

It is Augmented Reality (AR). It literally translates to 'Expanded Reality,' referring to digital info expanding our physical view.

Yes, specifically for expanding the physical scale, reach, or infrastructure of a business, like 事業の拡張.

Generally, no. For time, 延長 (enchou) is the correct word. 拡張 is for space, scope, and function.

It means 'extensibility' or 'scalability.' It describes how easily a system can be made larger or more functional in the future.

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