Meaning & use
actuator
A mechanical device that converts energy into motion to move or control a system.
See it in a sentence
A small electric actuator opens the valve whenever the sensor detects pressure.
Engineers replaced the faulty actuator that controlled the robotic arm's grip.
A note on using this word
Actuator is a technical term common in engineering and robotics, describing the part that turns a control signal into physical movement.
Words with a similar meaning
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