B2 noun ニュートラル

actuator

/ˈæktʃueɪtər/

An actuator is a mechanical component responsible for moving and controlling a mechanism or system. It acts as the 'muscle' of a machine by converting energy, such as electricity or air pressure, into physical motion.

例文

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1

The smart lock uses a small actuator to turn the bolt when you use the smartphone app.

The digital lock contains a tiny mechanical mover to shift the locking pin via the phone application.

2

Each hydraulic actuator must undergo a rigorous safety inspection before being installed in the aircraft.

Every fluid-powered moving part needs a strict safety check before placement in the airplane.

3

I think the actuator in my car's window is broken because it won't slide up anymore.

I believe the motor part for my car window is failing because the glass is stuck down.

語族

名詞
actuator
Verb
actuate
形容詞
actuated
関連
actuation
💡

覚え方のコツ

Think of the word 'actor.' Just as an actor performs the action on a stage, an actuator performs the physical 'action' of a machine.

クイックテスト

The robotic arm was unable to pick up the box because the _____ responsible for gripping was malfunctioning.

正解!

正解は: actuator

例文

1

The smart lock uses a small actuator to turn the bolt when you use the smartphone app.

everyday

The digital lock contains a tiny mechanical mover to shift the locking pin via the phone application.

2

Each hydraulic actuator must undergo a rigorous safety inspection before being installed in the aircraft.

formal

Every fluid-powered moving part needs a strict safety check before placement in the airplane.

3

I think the actuator in my car's window is broken because it won't slide up anymore.

informal

I believe the motor part for my car window is failing because the glass is stuck down.

4

In robotic systems, the actuator serves as the critical interface between electronic control and physical environment.

academic

In robots, the moving component acts as the main link between computer signals and real-world movement.

5

Our firm is looking to source high-precision linear actuators for the new assembly line project.

business

Our company is trying to buy very accurate straight-motion parts for the new factory setup.

語族

名詞
actuator
Verb
actuate
形容詞
actuated
関連
actuation

よく使う組み合わせ

linear actuator a device that creates motion in a straight line
hydraulic actuator a mover powered by liquid pressure
electric actuator a component that converts electrical energy into motion
valve actuator a mechanism used to open or close a valve remotely
pneumatic actuator a device that uses compressed air to create movement

よく使うフレーズ

rotary actuator

a device that produces rotational movement

actuator failure

a technical malfunction of the moving component

remote actuator

a mechanism controlled from a distance

よく混同される語

actuator vs activator

An activator starts a process (like a chemical or social one), while an actuator is specifically a mechanical device that creates physical motion.

actuator vs sensor

A sensor detects information from the environment, whereas an actuator performs an action based on that information.

📝

使い方のコツ

The term is primarily used in technical fields like engineering, robotics, and manufacturing. It refers to the specific part that makes things move rather than the entire machine.

⚠️

よくある間違い

Learners often use 'motor' for everything, but 'actuator' is the correct term for components that create linear motion or operate valves in industrial contexts.

💡

覚え方のコツ

Think of the word 'actor.' Just as an actor performs the action on a stage, an actuator performs the physical 'action' of a machine.

📖

語源

Derived from the Latin 'actus' (a doing or driving) and 'actuate' (to put into motion).

文法パターン

Countable noun Commonly used as a noun adjunct (e.g., 'actuator arm') Plural: actuators
🌍

文化的な背景

The term is increasingly relevant in modern culture due to the rise of 'Industry 4.0' and smart home automation where actuators control everything from smart blinds to robotic vacuums.

クイックテスト

The robotic arm was unable to pick up the box because the _____ responsible for gripping was malfunctioning.

正解!

正解は: actuator

関連単語

ultraphobty

C1

A state of extreme, pathological fear or an overwhelming aversion that exceeds the intensity of a standard phobia. It is typically used in clinical or specialized contexts to describe a totalizing and paralyzing sense of dread toward a specific stimulus or environment.

supercredcy

C1

Describing information, sources, or evidence that possesses an exceptionally high degree of reliability, authority, and trustworthiness. It is used to characterize something that is considered beyond reproach or indisputable in its veracity.

multiantidom

C1

Describing a state or entity that exhibits resistance or opposition across several distinct domains, jurisdictions, or spheres of influence. It characterizes a complex posture of multifaceted defiance aimed at maintaining autonomy against multiple external pressures.

incelerer

C1

To hasten or increase the speed and efficiency of a process, action, or development from within. It is specifically used in technical or academic contexts to describe the stimulation of inherent growth or velocity.

multichromness

C1

The state or quality of exhibiting multiple colors or shifting hues, particularly in response to light or perspective. It describes a complex visual property where various pigments or light frequencies create a diverse, often iridescent, appearance.

postlaterfy

C1

Describes a state or action that has been deferred beyond a secondary point of delay, often implying a sequence of repeated postponements. It characterizes tasks, decisions, or events that exist in a state of indefinite future scheduling.

homolucous

C1

To explain, clarify, or illuminate diverse subjects using a single, unified perspective or set of criteria. It involves the process of bringing disparate ideas into a shared and consistent framework of understanding.

pretactate

C1

To strategically plan, coordinate, or arrange preliminary tactical measures before a major operation or formal engagement. It involves the meticulous organization of steps to ensure a desired outcome during the execution phase.

monothermal

C1

A clinical procedure or state characterized by a single temperature, most commonly used in audiology to refer to a caloric test performed with either warm or cold irrigation alone. It is used as a screening tool to assess the balance system of the inner ear more quickly than standard two-temperature tests.

deducity

C1

Describing a logic or statement that is inherently capable of being inferred from established premises through a process of reasoning. In specialized testing contexts, it refers to the quality of a conclusion that follows necessarily from its preceding arguments.

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