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

According to Hebei University of Technology, the actuators completed more than 100,000 cycles during laboratory testing. — Kurt Knutsson, FOXNews.com, 28 July 2026

One notable example is MIT’s myoneural actuator, a living implant made from muscle tissue that interfaces naturally with nerves. — Kaif Shaikh, Interesting Engineering, 27 July 2026

This is caused by linkages when digital systems (software, network connections, and AI models) interface directly with physical machinery (actuators, robotic limbs, vehicles, and factory valves). — Anjana Susarla, Forbes.com, 9 July 2026

LiberNovo provides a five-year warranty on all Omni’s non-electronic parts, and covers the battery, cables, and actuator for two years. — Will Greenwald, PC Magazine, 9 July 2026

Word History

Etymology

actuate + -or entry 1

First Known Use

1652, in the meaning defined above

Rhymes for actuator

• creator
• curator
• debater
• deflator
• dictator
• dilator
• equator
• locator
• piscator
• pronator
• relator
• rotator