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
When a lift is detected, the controller commands the suit’s actuators to apply supporting force.
—
Srishti Gupta, Interesting Engineering, 24 Mar. 2026
Without two to four motors or actuators in every door.
—Arkansas Online, 23 Mar. 2026
Upgrades to storm water pumping stations Cost: $3 million
The details: Equipment repair and replacement at six stormwater pumping stations, including new sluice gates, gate valves and actuators.
—Kenneth R. Gosselin, Hartford Courant, 16 Mar. 2026
This strategy was aided by the proprioceptive actuators pioneered by Sangbae Kim of the Massachusetts Institute of Technology in his Cheetah series of robots.
—John Pavlus, Quanta Magazine, 13 Mar. 2026
See All Example Sentences for actuator
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Srishti Gupta, Interesting Engineering, 24 Mar. 2026
Without two to four motors or actuators in every door.
—Arkansas Online, 23 Mar. 2026
Upgrades to storm water pumping stations Cost: $3 million
The details: Equipment repair and replacement at six stormwater pumping stations, including new sluice gates, gate valves and actuators.
—Kenneth R. Gosselin, Hartford Courant, 16 Mar. 2026
This strategy was aided by the proprioceptive actuators pioneered by Sangbae Kim of the Massachusetts Institute of Technology in his Cheetah series of robots.
—John Pavlus, Quanta Magazine, 13 Mar. 2026
See All Example Sentences for actuator
Cite this Entry
“Actuator.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/actuator. Accessed 26 Mar. 2026.
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