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
The patent details a hydraulic actuator system designed to modify valve lift and duration in a single overhead camshaft (SOHC), four-valve engine.
—
Utkarsh Sood
june 17, New Atlas, 17 June 2025
The robot had elastic actuators in its legs, weighed roughly 50 kilograms, and was half a meter wide and under a meter long.
—ArsTechnica, 11 June 2025
Aerodynamics must be evaluated in real-time, while control systems must handle both slow joint actuators and fast jet turbines.
—Paul Ridden
june 24, New Atlas, 24 June 2025
Every 40 seconds, as the mirrors are repositioned for their next long exposure, the actuators perform a new calculus to make a reflective surface that’s seemingly already perfect even more so.
—Michael Jones McKean, The Atlantic, 23 June 2025
See All Example Sentences for actuator
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Utkarsh Sood
june 17, New Atlas, 17 June 2025
The robot had elastic actuators in its legs, weighed roughly 50 kilograms, and was half a meter wide and under a meter long.
—ArsTechnica, 11 June 2025
Aerodynamics must be evaluated in real-time, while control systems must handle both slow joint actuators and fast jet turbines.
—Paul Ridden
june 24, New Atlas, 24 June 2025
Every 40 seconds, as the mirrors are repositioned for their next long exposure, the actuators perform a new calculus to make a reflective surface that’s seemingly already perfect even more so.
—Michael Jones McKean, The Atlantic, 23 June 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 4 Aug. 2025.
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