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 robot features 41 degrees of freedom, enabling complex, human-like joint coordination, while custom high-torque actuators deliver hundreds of newton-metres of force for rapid jumps, pivots, and sudden directional changes.
—
Jijo Malayil, Interesting Engineering, 19 Jan. 2026
Fully electronic steering systems replace the traditional mechanical link between steering wheel and wheels with sensors and actuators.
—New Atlas, 17 Jan. 2026
Qualcomm is using tele-operations to teach its VLM specific skills like how to use actuators to grasp an object.
—Kif Leswing, CNBC, 9 Jan. 2026
There are racks of arms and shelves of legs, metal gears hanging from hooks, and trays of actuators ready to be assembled.
—James Vincent, Harpers Magazine, 30 Dec. 2025
See All Example Sentences for actuator
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Jijo Malayil, Interesting Engineering, 19 Jan. 2026
Fully electronic steering systems replace the traditional mechanical link between steering wheel and wheels with sensors and actuators.
—New Atlas, 17 Jan. 2026
Qualcomm is using tele-operations to teach its VLM specific skills like how to use actuators to grasp an object.
—Kif Leswing, CNBC, 9 Jan. 2026
There are racks of arms and shelves of legs, metal gears hanging from hooks, and trays of actuators ready to be assembled.
—James Vincent, Harpers Magazine, 30 Dec. 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 21 Jan. 2026.
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