actuator

noun

ac·​tu·​a·​tor ˈak-chə-ˌwā-tər How to pronounce actuator (audio)
-shə-
Synonyms of actuatornext
: one that actuates
specifically : a mechanical device for moving or controlling something

Examples of actuator in a Sentence

Recent Examples on the Web
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.
New to the watches are a speaker (though not one that might necessarily make wrist calls easy) and a linear resonance actuator for stronger vibrations. — Ars Technica, 18 Mar. 2025 Of course, the actuator is also protected by being located inside the seat tube. — Ben Coxworth, New Atlas, 16 Mar. 2025 Traditional IoT and edge computing setups employ a linear workflow where sensors feed data through ingestion to a rigid rules engine, which then issues commands to actuators. — Janakiram Msv, Forbes, 3 Mar. 2025 Unlike software-only AI, physical AI combines algorithms with sensors and actuators in robots, vehicles and devices, enabling them to perceive their surroundings and make real-time decisions. — Janakiram Msv, Forbes, 3 Mar. 2025 See All Example Sentences for actuator

Word History

Etymology

actuate + -or entry 1

First Known Use

1652, in the meaning defined above

Time Traveler
The first known use of actuator was in 1652

Rhymes for actuator

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Browse Nearby Words

actuator
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Cite this Entry

“Actuator.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/actuator. Accessed 23 Mar. 2025.

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