- Core Meaning
- At its heart, 連動 (rendō) means things are connected and affect each other. Think of it like a chain reaction or gears meshing together. When one part moves, the other(s) move too, or a change in one causes a change in the other. It's about a synchronized or dependent relationship.
- Mechanical Systems
- In engineering and mechanics, 連動 is used to describe how different parts of a machine work together. For example, in a car, the steering wheel and the front wheels are in 'rendō' – turning the wheel directly makes the wheels turn. Or, in a complex gear system, the movement of one gear causes others to rotate in a specific, connected way.
- Software and Technology
- In the digital world, 連動 is very common. It can refer to how different features in an app are linked. For instance, when you save a document in cloud storage, it might be 'rendō' with your desktop app, meaning the changes are synchronized across both. Or, a smart home device might be linked, so turning on a light triggers another action, like playing music. This concept is crucial for automation and seamless user experiences.
- Economics and Finance
- Economically, 連動 describes how different markets or indicators influence each other. For example, stock prices might be in 'rendō' with interest rate changes. If interest rates rise, certain stock sectors might fall, showing a dependent relationship. It's also used for things like salary increases being linked to inflation rates.
- Everyday Life
- While more technical, the idea applies broadly. Think of how opening the fridge door might turn on the light inside – that's a simple form of 'rendō'. Or, how a sale in one department of a store might lead to increased customer traffic in others.
この二つのシステムは密接に連動して動作します。
経済指標の連動性について議論しました。
- Using 連動 as a Noun
- As a noun, 連動 often appears with particles like の (no) or 性 (sei) to form compound nouns or express the concept of linkage. For example, 連動性 (rendōsei) means 'interconnectedness' or 'coordination'.
- Describing System Linkages
- You can use it to describe how systems are linked. For instance, 'The car's braking system is linked to its stability control.' This would be:
車のブレーキシステムは、安定性制御と連動しています。
Kuruma no burēki shisutemu wa, anteisei seigyo to rendō shite imasu. - Expressing Cause and Effect
- It can show a direct consequence. 'Changes in oil prices have a strong link to the cost of air travel.' This translates to:
原油価格の変動は、航空運賃に強く連動する。
Gen'yu kakaku no hendō wa, kōkū unchin ni tsuyoku rendō suru. - In Software Development
- When discussing software, you might say, 'This feature is linked to the user's profile settings.'
この機能は、ユーザーのプロフィール設定と連動しています。
Kono kinō wa, yūzā no purofīru settei to rendō shite imasu. - With Verbs
- It often appears with verbs like する (suru - to do) to form the verb 'to link' or 'to operate in conjunction'. For example, 'to link the accounts' or 'to coordinate the actions'.
- Forming Compound Terms
- The term is frequently used to create more specific phrases, such as 自動連動 (jidō rendō - automatic linkage) or 相互連動 (sōgo rendō - mutual linkage). Understanding these combinations will greatly enhance your comprehension.
- Technical Manuals
- You'll find 連動 extensively in manuals for machinery, electronics, and software. Instructions on how to set up or troubleshoot devices often use this term to explain how different components or functions interact. For example, a manual for a smart home system might explain how the lights and thermostat are linked (連動).
取扱説明書には、各機能の連動設定について詳しく書かれている。
- The instruction manual details the linked settings for each function. - News and Business Reports
- In economic and business news, 連動 is used to describe the relationships between different financial markets, commodities, or economic indicators. A reporter might say that the yen's value is linked (連動) to oil prices, or that corporate profits are linked to consumer spending.
市場の動向は、国際情勢と密接に連動する傾向がある。
- Market trends tend to be closely linked to international affairs. - Technology Reviews and Forums
- When people discuss new gadgets, software updates, or gaming experiences, they often use 連動 to describe how features work together. For example, 'Does this new app link with my existing calendar?' or 'The game's graphics and sound effects are perfectly coordinated (連動).'
この新しいソフトウェアは、既存のデータベースと連動させることができますか？
- Can this new software be linked with the existing database? - Academic Papers and Research
- In scientific and engineering research, 連動 is used to describe complex interactions within systems, such as the synchronized firing of neurons or the coordinated movement of biological organisms. For instance, a study might investigate the 'rendō' between climate change and ecosystem shifts.
研究では、気候変動と生態系の変化との連動性が調査された。
- The study investigated the linkage between climate change and ecosystem shifts. - Product Descriptions
- Manufacturers often highlight the 'rendō' capabilities of their products to emphasize their smart features or integration potential. A smart TV might be advertised as having 'rendō' with your smartphone for easy content sharing.
- Confusing with Simple Causality
- A common mistake is to use 連動 when a simpler causal relationship is at play. While 連動 implies a connection, it often suggests a more dynamic or synchronized interaction than a one-off cause and effect. For example, saying 'The rain caused the flood' is a simple cause-effect. Saying 'The river's water level is linked (連動) to the amount of rainfall' implies a continuous, interconnected relationship. Using 連動 for a single, isolated event might be an overstatement.
- Overusing in Casual Conversation
- 連動 is a relatively formal and technical term. While its meaning can be understood in casual contexts, its direct use might sound overly academic or stiff in everyday chat. For instance, instead of saying 'My mood is linked (連動) to the weather,' a more natural phrasing might be 'The weather affects my mood' (天気に気分が左右される - tenki ni kibun ga saiyō sareru). Its best application is in discussing systems and processes.
- Incorrectly Applying to Unrelated Items
- The core of 連動 is the existence of a connection or dependency. Using it for items that are simply co-occurring or coincidentally happening together without any direct link is a mistake. For example, if two unrelated people happen to wear the same color shirt on the same day, their clothing choices are not in 'rendō'. A correct usage would be if a software update (A) directly causes a change in another program's functionality (B).
- Misunderstanding the Degree of Connection
- 連動 implies a significant, often operational or functional, connection. If the connection is very weak or indirect, other words might be more appropriate. For example, if a slight change in one variable has an almost imperceptible effect on another, using 連動 might be an exaggeration. The term suggests a more substantial and observable interaction.
- Confusing with 'Combination' (組み合わせ - kumiawase)
- While related, 'kumiawase' refers to things being put together or a set of items. 連動 specifically emphasizes the operational or causal link between them. For instance, you might have a combination (組み合わせ) of tools, but those tools might not necessarily operate in tandem (連動). The key difference is the active interaction or dependency implied by 連動.
- 連携 (renkei) - Cooperation, Collaboration
- 連携 emphasizes people or organizations working together towards a common goal. It's about coordination and teamwork. While there can be overlap, 連動 focuses more on the functional or mechanical link between systems or phenomena, whereas 連携 is about active collaboration between agents.Example:システム間の連動 (System-to-system linkage) vs. 部署間の連携 (Inter-departmental collaboration).Usage Note: Use 連携 when describing how people or groups work together. Use 連動 for how systems, machines, or abstract concepts are functionally connected.
- 連鎖 (rensā) - Chain, Linkage (often in a negative or sequential sense)
- 連鎖 often implies a series of connected events, like a chain reaction, and frequently carries a negative connotation (e.g., chain reaction of accidents, chain of infections). While both involve connection, 連鎖 emphasizes the sequential nature and often the snowballing effect, whereas 連動 is broader and can describe simultaneous or directly dependent operations without necessarily implying a negative sequence.Example:事故の連鎖 (Chain of accidents) vs. ギアの連動 (Gear linkage).Usage Note: Use 連鎖 for sequential, often negative, cause-and-effect chains. Use 連動 for operational or functional linkages.
- 連動性 (rendōsei) - Interconnectedness, Interdependency
- This is the noun form derived from 連動, specifically referring to the quality or state of being linked. It's not a direct alternative but rather a noun that encapsulates the concept of 連動. You would use 連動性 to discuss the degree or nature of the linkage.Example:経済指標の連動性が高い (Economic indicators have high interconnectedness).Usage Note: Use 連動性 when you want to talk about the property of being linked, rather than the act or state of linkage itself.
- 連動する (rendō suru) - To Link, To Operate in Conjunction
- This is the verb form, and it's the most direct functional alternative when you need to express the action of linking. It's often used interchangeably with 連動 as a noun in many contexts where the action is implied.Example:システムが連動する (The systems link) vs. システム間の連動 (Linkage between systems).Usage Note: Use 連動する when the action of linking is central to the sentence. Use 連動 as a noun to refer to the state or concept of linkage.
- 連動させる (rendō saseru) - To Cause to Link, To Link Up
- This is the causative form, meaning to make two or more things link up. It's used when you are actively causing the linkage to happen.Example:二つのアカウントを連動させる (To link two accounts).Usage Note: Use 連動させる when you are the agent making something link.
How Formal Is It?
Fun Fact
The kanji 動 (dō) for 'move' also appears in words like 自動 (jidō - automatic) and 運動 (undō - exercise). The kanji 連 (ren) for 'link' appears in words like 連続 (renzoku - continuous) and 連結 (renketsu - connection). The combination of these two kanji creates a powerful image of elements that are not only connected but also actively in motion together.
Pronunciation Guide
- Mispronouncing the 'n' sound: Ensure it's a clear 'n' sound, not a nasalized vowel.
- Incorrect vowel sound for 'do': The 'o' is long, like in 'go', not short like in 'dog'.
- Incorrect stress: The stress is on the first syllable 'ren', not on 'dō'.
- Adding an extra 'u' sound at the end: The 'ō' is a single long vowel sound, not 'doh-oo'.
- Pronouncing the 'r' too strongly: In Japanese, the 'r' is often softer, more like a flap or a light tap of the tongue.
Difficulty Rating
B2 learners can understand 'rendō' in written texts, especially in technical, business, or academic contexts. Understanding the nuances of its application requires familiarity with the subject matter.
B2 learners can use 'rendō' in their writing, particularly in formal essays or reports. Accuracy in choosing the right context and grammatical structure is important.
Using 'rendō' accurately in spoken conversation at a B2 level might require some practice. Learners might opt for simpler phrases in casual talk but can employ it effectively in more formal discussions.
B2 learners should be able to comprehend 'rendō' when spoken in clear, standard Japanese, especially in contexts related to technology, business, or news.
What to Learn Next
Prerequisites
Learn Next
Advanced
Grammar to Know
Using the particle と (to) to indicate what something links with.
この機能は、他の設定と連動します。(This function links with other settings.)
Using the verb する (suru) to form the verb 'to link'.
二つのアカウントを連動させる。(To link two accounts.)
Using the particle て (te) to indicate concurrent action or linkage.
複数のセンサーが連動して動作します。(Multiple sensors operate in conjunction.)
Using the noun form 連動性 (rendōsei) to discuss interconnectedness.
市場の連動性が高まっています。(The interconnectedness of the market is increasing.)
Using the adjective form 連動した (rendō shita) to describe something that is linked.
これは連動したシステムです。(This is a linked system.)
Examples by Level
この二つのアプリは連動して使えますか？
Can these two apps be used in conjunction?
「連動して」 is used here to indicate how the apps function together.
電気料金は原油価格と連動する傾向があります。
Electricity prices tend to be linked to crude oil prices.
「連動する」 is the verb form, showing a tendency for linkage.
会議では、新しいプロジェクトの各段階の連動について話し合いました。
In the meeting, we discussed the linkage between each stage of the new project.
「連動」 is used as a noun here, referring to the concept of linkage.
この機械の部品は、互いに連動して動くように設計されています。
The parts of this machine are designed to move in coordination with each other.
「互いに連動して」 emphasizes mutual linkage and coordinated movement.
ウェブサイトの更新は、データベースの更新と連動しています。
Website updates are linked to database updates.
「連動しています」 shows a current state of linkage.
商品の価格は、為替レートの変動と連動することがあります。
Product prices can be linked to exchange rate fluctuations.
「連動することがあります」 indicates possibility of linkage.
このシステムは、複数のセンサーが連動して動作します。
This system operates with multiple sensors linked together.
「連動して動作します」 describes the operational linkage.
彼の昇給は、会社の業績と連動していると聞きました。
I heard his salary increase is linked to the company's performance.
「連動している」 describes a perceived linkage.
この新しいソフトウェアは、既存のシステムとシームレスに連動するように設計されています。
This new software is designed to seamlessly link with the existing system.
「シームレスに連動する」 emphasizes smooth and integrated linkage.
原油価格の急激な変動は、国際的な株式市場の連動性を高めた。
The sharp fluctuations in crude oil prices increased the interconnectedness of international stock markets.
「連動性」 (rendōsei) is used here to refer to the quality of interconnectedness.
スマートホームデバイスは、音声コマンドと連動して照明や家電を操作できる。
Smart home devices can operate lights and appliances in coordination with voice commands.
「連動して操作できる」 describes the capability of linked operation.
気候変動と生態系の変化との間には、複雑な連動関係が見られる。
A complex relationship of linkage is observed between climate change and ecosystem shifts.
「連動関係」 (rendō kankei) specifies a relationship of linkage.
この自動運転システムは、複数のセンサーからの情報を連動させて、安全な走行を実現しています。
This autonomous driving system links information from multiple sensors to achieve safe driving.
「連動させて」 is the causative form, indicating the system actively links the data.
政府は、インフレ率と賃金の連動性を調整するための政策を検討している。
The government is considering policies to adjust the linkage between inflation rates and wages.
「連動性を調整する」 refers to managing the degree of linkage.
このゲームでは、プレイヤーの選択がストーリー展開と直接連動するため、戦略が重要になる。
In this game, player choices directly link to the story's progression, making strategy important.
「直接連動する」 emphasizes a direct and immediate linkage.
機械学習モデルの学習プロセスは、データセットの更新と連動して行われる。
The learning process of the machine learning model is carried out in conjunction with updates to the dataset.
「連動して行われる」 describes a process that happens concurrently due to linkage.
現代の金融市場においては、グローバルな経済ショックに対する各国の市場の連動性が顕著である。
In modern financial markets, the linkage of national markets to global economic shocks is remarkable.
「顕著である」 (kencho de aru) means 'is remarkable' or 'is prominent', highlighting the significance of the linkage.
このバイオインフォマティクス研究では、遺伝子発現のパターンと疾患の発症メカニズムとの間の複雑な連動性を解明しようとしている。
This bioinformatics research aims to elucidate the complex interconnectedness between gene expression patterns and disease onset mechanisms.
「解明しようとしている」 (kaimei shiyō to shite iru) means 'is trying to elucidate', indicating a scientific pursuit of understanding the linkage.
IoTデバイスの普及に伴い、家庭内の様々な機器が相互に連動し、より高度な自動化が実現されつつある。
With the spread of IoT devices, various home appliances are mutually linking, leading to the realization of more advanced automation.
「相互に連動し」 (sōgo ni rendō shi) means 'mutually linking', emphasizing the two-way nature of the connection.
政策立案者は、経済成長と環境保護の間のデリケートな連動性を考慮し、持続可能な開発目標の達成を目指すべきである。
Policymakers should aim to achieve sustainable development goals by considering the delicate linkage between economic growth and environmental protection.
「デリケートな連動性」 (derikēto na rendōsei) refers to a sensitive or nuanced linkage.
このロボットアームは、複数の関節が高度に連動することで、精密な作業を可能にしている。
This robotic arm enables precise tasks by highly coordinating its multiple joints.
「高度に連動する」 (kōdo ni rendō suru) implies a sophisticated and precise coordination.
教育システムにおけるカリキュラムと評価方法の連動性は、学習成果に直接影響を与える。
The linkage between curriculum and assessment methods in the education system directly impacts learning outcomes.
「連動性は～影響を与える」 (rendōsei wa ~ eikyō o ataeru) means 'the linkage affects~', a common academic phrasing.
都市計画においては、交通網、エネルギー供給、そして住民の生活様式の間の連動性を総合的に考慮する必要がある。
In urban planning, it is necessary to comprehensively consider the linkage between transportation networks, energy supply, and residents' lifestyles.
「総合的に考慮する」 (sōgōteki ni kōryo suru) means 'to consider comprehensively', indicating a holistic approach to linkage.
このシミュレーションモデルは、社会経済的要因と環境的変化との間の非線形的な連動性を再現するように設計されている。
This simulation model is designed to replicate the non-linear linkage between socio-economic factors and environmental changes.
「非線形的な連動性」 (hisenkeitekina rendōsei) refers to a non-linear, complex linkage.
グローバルサプライチェーンにおける各ノードの連動性は、予期せぬ地政学的リスクに対して極めて脆弱であることが露呈した。
The interconnectedness of each node within the global supply chain proved extremely vulnerable to unforeseen geopolitical risks.
「極めて脆弱である」 (kiwamete zeijaku de aru) means 'extremely vulnerable', adding a strong evaluative tone to the description of linkage.
神経回路網におけるニューロンの発火パターンと認知機能との間の微細な連動性を解明することは、脳科学における喫緊の課題である。
Elucidating the subtle linkage between neuron firing patterns and cognitive functions in neural circuits is an urgent challenge in neuroscience.
「喫緊の課題である」 (kikkin no kadai de aru) means 'is an urgent issue/challenge', signifying the importance of understanding the linkage.
この高度な制御システムでは、複数のフィードバックループが複雑に連動し、動的な平衡状態を維持している。
In this advanced control system, multiple feedback loops intricately link to maintain a dynamic equilibrium.
「複雑に連動し」 (fukuzatsu ni rendō shi) means 'intricately link', highlighting the sophisticated nature of the connection.
経済学における一般均衡理論は、家計、企業、政府といった経済主体間の連動性を前提としている。
The general equilibrium theory in economics presupposes the linkage between economic agents such as households, firms, and the government.
「前提としている」 (zentei to shite iru) means 'presupposes' or 'is based on', indicating the foundational role of linkage in the theory.
分子生物学の分野では、タンパク質間相互作用ネットワークの動的な連動性が、細胞機能の理解に不可欠である。
In the field of molecular biology, the dynamic interconnectedness of protein-protein interaction networks is indispensable for understanding cellular functions.
「不可欠である」 (fukaketsu de aru) means 'is indispensable' or 'is essential', emphasizing the critical nature of the linkage.
気象学におけるカオス理論は、初期条件の微細な違いが、長期的な気象パターンに予期せぬ連動性をもたらす可能性を示唆している。
Chaos theory in meteorology suggests that subtle differences in initial conditions can lead to unexpected linkages in long-term weather patterns.
「予期せぬ連動性をもたらす」 (yokisenu rendōsei o motarasu) means 'brings about unexpected linkage', capturing the essence of the butterfly effect.
この高度なロボット工学システムは、各アームの自由度とセンサーデータの連動性を最適化することで、極めて精密な操作を実現している。
This advanced robotics system achieves extremely precise manipulation by optimizing the linkage between each arm's degrees of freedom and sensor data.
「最適化する」 (saitekika suru) means 'to optimize', indicating a deliberate refinement of the linkage.
社会学におけるネットワーク分析は、個人間の社会的関係の連動性が、集団行動や意見形成に及ぼす影響を定量的に評価する。
Network analysis in sociology quantitatively evaluates the impact of the linkage of interpersonal social relationships on group behavior and opinion formation.
「及ぼす影響を定量的に評価する」 (oyobosu eikyō o teiryōteki ni hyōka suru) means 'quantitatively evaluates the impact', highlighting a scientific approach to studying linkage.
Common Collocations
Common Phrases
— Systems link together or operate in conjunction.
この二つのシステムは、データの同期のために連動するように設計されています。(These two systems are designed to link together for data synchronization.)
— To link with each other; to operate in coordination with each other.
機械の部品は互いに連動して、正確な動きを実現しています。(The machine's parts link with each other to achieve precise movement.)
— In conjunction with; linked with.
この機能は、他の設定と連動して動作します。(This function operates in conjunction with other settings.)
— To have interconnectedness; to be linked.
この二つの市場の間には、強い連動性があると考えられています。(It is believed that there is a strong interconnectedness between these two markets.)
— To cause to link; to link up.
ユーザーは自分のアカウントをサービスと連動させることができます。(Users can link their accounts with the service.)
— Linked type; coordinated type.
この新しいタイプのスマートロックは、スマートフォンと連動型です。(This new type of smart lock is a linked type with smartphones.)
— Linked effect; synergistic effect.
複数のキャンペーンが連動効果を生み出し、売上を大幅に増加させました。(Multiple campaigns created a linked effect, significantly increasing sales.)
— To move in coordination; to operate together.
このロボットアームは、複数の関節が連動して動きます。(This robotic arm's multiple joints move in coordination.)
— Programs that link and operate together.
このソフトウェアパッケージには、互いに連動するプログラムが含まれています。(This software package includes programs that link together.)
— Markets that are linked or influence each other.
世界経済の動向は、連動する市場に影響を与えます。(Global economic trends affect linked markets.)
Often Confused With
連携 emphasizes cooperation between people or organizations, while 連動 focuses on the functional or mechanical linkage between systems or elements. You collaborate (連携) with colleagues, but systems link (連動).
連鎖 suggests a sequential chain reaction, often with negative connotations, like a chain of events. 連動 is broader and can describe simultaneous or directly dependent operations without necessarily implying a negative sequence.
同期 means synchronization, often referring to keeping things in step or time. While related, 連動 emphasizes the operational or causal link itself, which might not always be about perfect timing.
Idioms & Expressions
— Literally 'gears link together'. Figuratively, it means different parts of a system are working smoothly and effectively in coordination, or that a plan is falling into place.
プロジェクトの計画が順調に進み、歯車が連動するように物事が進んでいる。(The project plan is progressing smoothly, and things are moving forward as if the gears are linking.)
General, often used to describe efficient progress.— Literally 'both wheels of a car'. While not directly containing '連動', it implies two essential elements that must work together (連動) for progress. Used to describe two equally important components or factors that need to be in sync.
このビジネスの成功には、技術革新とマーケティング戦略の車の両輪が不可欠だ。(For the success of this business, the two equally important wheels of technological innovation and marketing strategy are indispensable.)
General, metaphorical.— Literally 'to match breaths'. This idiom signifies perfect coordination and synchronization, similar to the idea of 連動 but specifically applied to people or groups working in unison.
チームは息を合わせ、完璧な連動でゴールを決めた。(The team matched their breaths and scored the goal with perfect coordination.)
General, often used for teamwork or performance.— Literally 'sharing the same lotus'. This idiom implies sharing the same fate, whether good or bad. It suggests a deep connection where individuals are bound together and experience the same outcomes, akin to a strong, inescapable linkage.
成功も失敗も一蓮托生だと思って、チームで協力しよう。(Let's cooperate as a team, thinking that success and failure are shared fates.)
Formal, often used in serious contexts.— To move in coordination; to operate together. This is a very direct phrase that uses '連動' to describe synchronized movement.
この最新のドローンは、複数のセンサーが連動して動くことで、障害物を自動回避する。(This latest drone automatically avoids obstacles by having multiple sensors move in coordination.)
Technical, descriptive.— Literally 'community of shared destiny'. Similar to 一蓮托生, it emphasizes a strong, inseparable bond where individuals are tied together and share the same fate, implying a profound linkage.
このプロジェクトは、関わる全員が運命共同体として、成功に向けて努力している。(Everyone involved in this project is working towards success as a community of shared destiny.)
Formal, often political or group-oriented.— Literally 'front and back, one body'. This idiom describes two aspects that are inseparable and fundamentally connected, like the front and back of a coin. It implies a deep, inherent linkage.
経済成長と環境問題は表裏一体であり、どちらか一方だけを追求することはできない。(Economic growth and environmental problems are two sides of the same coin; one cannot pursue only one aspect.)
General, philosophical.— To cause to link; to link up. This is the causative form of 連動 and is a common way to express the action of creating a linkage.
新しいシステムでは、顧客管理と販売管理を連動させることが可能です。(In the new system, it is possible to link customer management and sales management.)
Technical, practical.— Chain reaction. While not directly using '連動', it describes a sequence of events where one triggers the next, similar to a strong, sequential linkage.
一つの失敗が連鎖反応を引き起こし、プロジェクト全体に影響を与えた。(One failure triggered a chain reaction and affected the entire project.)
Scientific, general.— To become one; to unite. This phrase implies a merging or becoming a single entity, which is the ultimate form of linkage.
チームメンバーは一体となって、目標達成に向けて努力した。(The team members united and worked towards achieving the goal.)
General, motivational.Easily Confused
Both words imply connection and working together.
連携 is about active cooperation, usually between people or groups, aiming for a common goal. It's about teamwork. 連動, on the other hand, describes how systems, machines, or abstract concepts are functionally or mechanically linked, where a change in one directly affects another. Think of 'collaboration' vs. 'interconnection'.
チームメンバーが<mark>連携</mark>してプロジェクトを進めた。(Team members collaborated to advance the project.) vs. この二つのシステムは<mark>連動</mark>して動作する。(These two systems operate in linkage.)
Both words describe a connection where one thing leads to another.
連鎖 typically implies a sequence of events, like a chain reaction, often with a negative or cascading effect (e.g., chain of accidents). 連動 is more about direct, operational dependency or synchronized action between two or more entities, not necessarily sequential or negative. It's the difference between a 'chain reaction' and 'linked gears'.
事故の<mark>連鎖</mark>で交通が麻痺した。(Traffic was paralyzed by a <mark>chain</mark> of accidents.) vs. ギアの<mark>連動</mark>で機械が動く。(The machine moves due to <mark>gear linkage</mark>.)
Both relate to things happening together or being connected.
同期 specifically means 'synchronization', ensuring things happen at the same time or are kept in step, like syncing data or aligning schedules. 連動 is broader, referring to any operational or causal linkage where one thing affects another, regardless of whether it's about timing. You can have synchronized (同期) systems that are also linked (連動), but linkage (連動) doesn't always imply synchronization (同期).
ファイルが自動的に<mark>同期</mark>される。(Files are automatically <mark>synchronized</mark>.) vs. この機能は他の設定<mark>と</mark>連動する。(This function links <mark>with</mark> other settings.)
Both describe a connection between things.
関係 is a very general term for 'relationship' or 'connection'. It can be abstract or direct. 連動 is more specific, implying a functional, operational, or causal link where a change in one directly influences the other. If you say two things have a 'kankei', it doesn't specify how they are connected. If you say they 'rendō', you imply a specific type of active, often dynamic, connection.
彼らには<mark>関係</mark>がある。(They have a <mark>relationship</mark>.) vs. この二つのシステムは<mark>連動</mark>している。(These two systems are linked.)
Both refer to connections and relationships.
連関 signifies a mutual relationship or connection, often used in academic or abstract contexts to describe how different factors are related. It's similar to 'interrelation'. 連動 is more about operational or causal linkage, where one element directly drives or affects another. While 'renkan' can describe a correlation, 'rendō' often implies a more direct cause-and-effect or synchronized action.
社会現象の複雑な<mark>連関</mark>を分析する。(Analyze the complex <mark>interrelationships</mark> of social phenomena.) vs. 経済指標の<mark>連動性</mark>が高い。(Economic indicators have high <mark>interconnectedness</mark>.)
Sentence Patterns
Noun1 は Noun2 と 連動する。
電気料金は原油価格<mark>と</mark>連動する。
Noun1 は Noun2 と 連動して Verb。
この機能は、他の設定<mark>と</mark>連動して動作します。
Noun1 は Noun2 の 連動性。
市場の<mark>連動性</mark>が高まっている。
Noun1 は Noun2 を 連動させる。
二つのアカウントを<mark>連動させる</mark>。
Noun1 は Noun2 と 連動して いる。
このシステムは、他のシステム<mark>と</mark>連動して<mark>いる</mark>。
Noun1 は Noun2 と 複雑な/高度な 連動性 を 持つ/示す。
気候変動と生態系の変化との間には、複雑な<mark>連動性</mark>が見られる。
Noun1 は Noun2 と 連動して Verb。
複数のセンサーが<mark>連動して</mark>動作する。
Noun1 は Noun2 と の 連動性 が Verb。
グローバルサプライチェーンにおける各ノード<mark>と</mark>の<mark>連動性</mark>が露呈した。
Word Family
Nouns
Verbs
Adjectives
Related
How to Use It
High in specific contexts (technology, economics, engineering).
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Using 連動 for simple cause-and-effect.
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In this case, a different word might be better.
連動 implies a more direct, often operational or synchronized link. If A simply causes B without a continuous or functional dependency, simpler terms like 〜が原因で (due to ~) or 〜が〜を引き起こす (A causes B) might be more appropriate than 連動.
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Using 連動 in very casual conversation.
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Use simpler expressions for connection.
連動 is a somewhat formal and technical term. In casual chat, saying 'The weather affects my mood' (天気に気分が左右される) is more natural than 'My mood is linked to the weather' (気分が天気に連動する).
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Confusing 連動 with 連携 (cooperation).
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Choose based on whether it's about system linkage or human collaboration.
連携 is about people or groups working together (collaboration). 連動 is about systems or parts operating together functionally or mechanically. You collaborate (連携) with a colleague, but your phone and computer might link (連動).
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Assuming 連動 always means synchronization.
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Focus on the dependency or operational link.
While synchronization (同期) can be a result of linkage, 連動 itself doesn't strictly mean happening at the exact same time. It means one thing's state or action directly influences another's, which could be immediate or slightly delayed.
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Using 連動 for unrelated items that happen to occur together.
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Ensure there is a functional or causal connection.
連動 requires a genuine connection or dependency. If two unrelated events happen concurrently without any direct link, it's incorrect to say they are 'rendō'. For example, two people wearing the same shirt on the same day is not 連動.
Tips
Focus on the 'How'
When you see or hear 連動, ask yourself: *How* are these things connected? Is it mechanical, causal, or synchronized? Understanding the nature of the connection will help you use the word correctly.
Verb Forms are Key
Pay attention to the verb forms: 連動する (to link), 連動させる (to cause to link), and the adverbial form 連動して (linking/in conjunction). These are crucial for constructing natural sentences.
Look for Related Terms
When you encounter 連動, also look for related words like 連動性 (interconnectedness), 連携 (cooperation), and 連鎖 (chain reaction). Understanding these will deepen your grasp of the concept.
Formal vs. Casual
Remember that 連動 is often more formal and technical. While its meaning can be understood in casual contexts, consider using simpler Japanese if you're speaking informally, unless you're discussing technology or systems.
Visual Chains
Create mental images of things physically linking and moving together, like gears or chains, to help remember the core meaning of 'linked movement'.
Real-World Examples
Actively look for examples of 連動 in your daily life – in appliances, software, news reports, or even how traffic lights work. Describing these examples in Japanese will solidify your understanding.
Distinguish from Similar Words
Make a conscious effort to differentiate 連動 from words like 連携 (cooperation) and 連鎖 (chain reaction). Understanding their specific nuances is vital for accurate usage.
Describe Systems
Use 連動 when describing how different parts of a system (mechanical, digital, economic) work together or affect each other. This is its most common and powerful application.
Stress and Vowels
Focus on stressing the first syllable (レン - ren) and pronouncing the final 'ō' sound clearly and long, as in 'go'. Avoid shortening the vowel or misplacing the stress.
Kanji Clues
Remember that 連 (ren) means 'link' and 動 (dō) means 'move'. This literal meaning of 'linked movement' is a strong anchor for understanding the word's core concept.
Memorize It
Mnemonic
Imagine two gears, one marked with '連' (link) and the other with '動' (move). When the '連' gear turns, it directly causes the '動' gear to turn. This visual helps remember that 'rendō' means linked movement.
Visual Association
Picture a pair of hands clasped together (representing '連' - link) and then making a synchronized gesture, like a high-five (representing '動' - move). This shows how the linking leads to coordinated action.
Word Web
Challenge
Try to find three examples of 'rendō' in your daily life or in technology you use. Describe how they are linked and what happens when one part changes. For instance, how does your smartphone screen brightness link (連動) with the ambient light sensor?
Word Origin
The word 連動 (rendō) is composed of two kanji: 連 (ren) meaning 'to link', 'to connect', 'to join', and 動 (dō) meaning 'to move', 'to act'. Together, they literally mean 'linked movement' or 'connected action'. This etymology directly reflects the core meaning of the word: things moving or acting in connection with each other.
Original meaning: To move in connection with others; to act jointly.
Sino-Japanese (Kanji-based compound)Cultural Context
The term itself is neutral and technical. However, its application in describing systems, especially economic or social ones, should be mindful of potential inequalities or unintended consequences of 'linkage'. For example, linking wages directly to inflation might have different impacts on various income groups.
While English has words like 'linkage', 'interconnection', 'coordination', and 'synchronization', 'rendō' often carries a specific nuance of operational dependency and dynamic interaction that might require multiple English terms to fully capture. It's particularly prevalent in technical and formal contexts.
Practice in Real Life
Real-World Contexts
Technology and Software Development
- システムが連動する
- 機能が連動する
- 連動して動作する
- 連動させる
Economics and Finance
- 経済指標の連動性
- 市場が連動する
- 連動して変動する
- 連動性がある
Mechanical Engineering
- 部品が連動する
- 互いに連動する
- 歯車が連動する
- 連動装置
Business and Management
- 部署間の連携
- 連動効果
- 連動して戦略を立てる
- 連動性のあるサービス
Science and Research
- 連動関係
- 複雑な連動性
- 連動して起こる
- 連動性を解明する
Conversation Starters
"最近、何か新しいシステムやアプリで「連動」している機能を使いましたか？"
"この製品は、他のデバイスとどのように「連動」するのか気になります。"
"経済ニュースでよく「連動性」という言葉を聞きますが、具体的にどういう意味ですか？"
"あなたの仕事や趣味で、「連動」していると感じることはありますか？"
"もしスマートホームを導入するとしたら、どんな機器を「連動」させたいですか？"
Journal Prompts
今日一日の出来事で、「連動」していたと感じることはありましたか？具体的に説明してください。
あなたが使っているテクノロジーの中で、最も「連動」していて便利だと感じるものを一つ選び、その理由を書いてください。
もしあなたが新しいシステムを設計するとしたら、どのような機能の「連動」を重視しますか？
経済や社会の動きで、ある事柄が他の事柄と「連動」していると感じる例を挙げ、その関係性について考察してください。
「連動」という言葉から連想される、あなた自身の経験や考えを自由に記述してください。
Frequently Asked Questions
10 questions連携 (renkei) refers to cooperation, typically between people or organizations working together towards a common goal. It's about teamwork. 連動 (rendō) describes how systems, machines, or abstract concepts are functionally or mechanically linked, where a change in one directly affects another. For example, you might use 連携 when describing how different departments in a company work together, but you would use 連動 to describe how a car's steering wheel and wheels are linked.
While 連動 is frequently used in technical contexts (mechanics, software, economics), its core meaning of 'linked operation' can apply to other areas. For example, you might say that a person's mood is linked (連動) to the weather, though in casual conversation, simpler phrases like 'affects my mood' might be more common. Its use implies a direct and observable connection.
連動性 (rendōsei) is the noun form of 連動, meaning 'interconnectedness', 'interdependency', or 'linkage'. It refers to the quality or state of being linked. For instance, 'the interconnectedness of financial markets' would be '市場の連動性' (shijō no rendōsei).
Not necessarily. While synchronization (同期 - dōki) implies things happening at the same time, 連動 (rendō) focuses on the operational or causal link. A change in one element directly causes a change in another, which might happen immediately or with a slight delay, depending on the system. The key is the dependency, not always simultaneous action.
連鎖 (rensā) implies a sequential chain reaction, often with negative consequences, like dominoes falling. 連動 (rendō) is more about direct operational or functional linkage, where one element influences another, not necessarily in a sequential or negative way. For example, a series of accidents is a 連鎖, but how a car's engine and transmission are linked is 連動.
The most common verb form is 連動する (rendō suru), meaning 'to link' or 'to operate in conjunction'. There is also the causative form 連動させる (rendō saseru), meaning 'to cause to link' or 'to link up'.
In everyday casual conversation, simpler terms for connection or effect might be more common. However, 連動 is very common and essential in contexts related to technology, business, engineering, and economics. If you engage with these topics in Japanese, you will encounter it frequently.
Certainly. In a smart home, you might set up your smart lights to 'rendō' with your smart locks. This means when you unlock the door (one action), the lights automatically turn on (linked action). So, the door lock and the lights are linked (連動).
関係 (kankei) is a very general term for 'relationship' or 'connection'. It can be abstract or direct. 連動 (rendō) is more specific, implying a functional, operational, or causal link where a change in one directly influences the other. If you say two things have a 'kankei', it doesn't specify *how* they are connected. If you say they 'rendō', you imply a specific type of active, often dynamic, connection.
Try describing how different parts of a machine work together, how features in an app are connected, or how economic indicators influence each other. Write sentences or explain these concepts aloud using 連動 and its related forms.
Test Yourself 10 questions
/ 10 correct
Perfect score!
Focus on the 'How'
When you see or hear 連動, ask yourself: *How* are these things connected? Is it mechanical, causal, or synchronized? Understanding the nature of the connection will help you use the word correctly.
Verb Forms are Key
Pay attention to the verb forms: 連動する (to link), 連動させる (to cause to link), and the adverbial form 連動して (linking/in conjunction). These are crucial for constructing natural sentences.
Look for Related Terms
When you encounter 連動, also look for related words like 連動性 (interconnectedness), 連携 (cooperation), and 連鎖 (chain reaction). Understanding these will deepen your grasp of the concept.
Formal vs. Casual
Remember that 連動 is often more formal and technical. While its meaning can be understood in casual contexts, consider using simpler Japanese if you're speaking informally, unless you're discussing technology or systems.
Example
円安と連動してガソリン価格が上昇した。
Related Content
More technology words
親和性
B2Affinity, compatibility, or how well two things get along or fit together. Used in technology for software compatibility and in sociology for cultural fit.
解析
B2To break down complex data or phenomena into simpler parts to understand their structure or nature. It is more technical/mathematical than 'bunseki' (analysis).
人工知能
B2The simulation of human intelligence processes by computer systems, especially the ability to learn, reason, and self-correct.
添付
B1The act of attaching a file or document to an email or a physical application.
認証
A1Authentication is the process of verifying a person's identity or the validity of information. In technology, it refers to logging into a system using credentials like a password or fingerprint to prove who you are.
電池
A2battery
閲覧
B2The act of looking through or reading documents, books, or web pages. Commonly used in library, legal, and internet contexts.
ボタン
A2A small knob or disc pressed to operate a device.
充電
B1Charging; the process of replenishing an electric charge.
互換
B2The ability of different systems, components, or software to work together or be exchanged without modification. Compatibility.
