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 company’s Physical AI platform processes information from cameras, sensors, and robotic actuators to understand its surroundings and execute actions in real time.
—
Jijo Malayil, Interesting Engineering, 19 June 2026
Although there have been recent developments in soft robotics that use heat, most soft robots rely on hydraulic and pneumatic systems to move fluid through their artificial muscles and actuators.
—New Atlas, 12 June 2026
The idea is to distribute control across three independent layers — reasoning, coordination and reflex — placing ultra-low-latency response closest to the sensors and actuators rather than in a central brain, because reflexes do not scale by making the central brain bigger.
—Bill Curtis, Forbes.com, 11 June 2026
This is a very complicated print with all the actuators and overhangs.
—Michael Lydick, PC Magazine, 10 June 2026
See All Example Sentences for actuator
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Jijo Malayil, Interesting Engineering, 19 June 2026
Although there have been recent developments in soft robotics that use heat, most soft robots rely on hydraulic and pneumatic systems to move fluid through their artificial muscles and actuators.
—New Atlas, 12 June 2026
The idea is to distribute control across three independent layers — reasoning, coordination and reflex — placing ultra-low-latency response closest to the sensors and actuators rather than in a central brain, because reflexes do not scale by making the central brain bigger.
—Bill Curtis, Forbes.com, 11 June 2026
This is a very complicated print with all the actuators and overhangs.
—Michael Lydick, PC Magazine, 10 June 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 24 Jun. 2026.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
