Actuator
/ˈæk.t͡ʃu.eɪ.tɚ/
"Actuator" in a Sentence (4 examples)
That little computer over there is the actuator of everything else in this room.
With the help of an infrared distance-measuring device, some electronic circuits, and a mechanical actuator that adjusts the lens' rear membrane, the process takes only 14 milliseconds.
The mind is the actuator of the body.
[…] and God is the Author and Actuator of nature, as well as of grace; […]