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
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
But particularly important are permanent rare earth magnets, which account for a quarter of total rare earths consumption and are a vital component in actuators, or devices that turn a control signal into mechanical motion.
—Charlie Campbell, Time, 17 June 2025
Higher capacity is likely to drive the need for dual actuators in these big drives to improve the performance, by about 2 times, to enable lower HDD rebuild times, among other advantages.
—Thomas Coughlin, Forbes.com, 6 May 2025
See All Example Sentences for actuator
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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
But particularly important are permanent rare earth magnets, which account for a quarter of total rare earths consumption and are a vital component in actuators, or devices that turn a control signal into mechanical motion.
—Charlie Campbell, Time, 17 June 2025
Higher capacity is likely to drive the need for dual actuators in these big drives to improve the performance, by about 2 times, to enable lower HDD rebuild times, among other advantages.
—Thomas Coughlin, Forbes.com, 6 May 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 25 Jul. 2025.
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