actuator
noun
ac·tu·a·tor
ˈak-chə-ˌwā-tər 
-shə-
: one that actuates
specifically
: a mechanical device for moving or controlling something
Examples of actuator in a Sentence
Recent Examples on the Web
By controlling the pressure inside the robot’s body and the temperature of the actuators, the researchers were able to steer it through intricate paths.
—
Neetika Walter, Interesting Engineering, 16 Oct. 2025
The Cleveland County facility produces advanced valves, actuators, clutches, and controls for automotive, truck and off-road vehicles.
—Charlotte Observer, 6 Oct. 2025
Its high-response linear actuator (HLA) focus motor snaps between near and far-off subjects in an instant, even with the a7R IV's autofocus system, which isn't as speedy as more recent Sony and L-mount cameras.
—PC Magazine, 9 Sep. 2025
The researchers fabricated the actuators using a 2D molding process that can manufacture them at millimeter, centimeter, and decimeter scales.
—IEEE Spectrum, 12 Aug. 2025
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Neetika Walter, Interesting Engineering, 16 Oct. 2025
The Cleveland County facility produces advanced valves, actuators, clutches, and controls for automotive, truck and off-road vehicles.
—Charlotte Observer, 6 Oct. 2025
Its high-response linear actuator (HLA) focus motor snaps between near and far-off subjects in an instant, even with the a7R IV's autofocus system, which isn't as speedy as more recent Sony and L-mount cameras.
—PC Magazine, 9 Sep. 2025
The researchers fabricated the actuators using a 2D molding process that can manufacture them at millimeter, centimeter, and decimeter scales.
—IEEE Spectrum, 12 Aug. 2025
See All Example Sentences for actuator
Cite this Entry
“Actuator.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/actuator. Accessed 18 Oct. 2025.
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