Used attributively before another noun in technical contexts (e.g., "actuator signal", "actuator housing").
Definitions
actuatornoun
An engineering device that converts energy—such as electrical, hydraulic, or pneumatic power—into mechanical motion to move or control a mechanism or system.
The hydraulic actuator extended the landing gear during the aircraft's descent.
In computing and control systems, a hardware or software component that carries out a commanded action in response to a control signal.
In a smart home, actuators lower the blinds when the sunlight sensor detects excessive glare.
actuatoradjective
Relating to or designed to actuate or to an actuator.
The actuator mechanism was housed in a sealed enclosure to prevent corrosion.