actuator

[ ak-choo-ey-ter ]

noun

1. a person or thing that actuates.
2. a servomechanism that supplies and transmits a measured amount of energy for the operation of another mechanism or system.

Word History and Origins

Origin of actuator¹

First recorded in 1860–65; actuate + -or ²

Example Sentences

Once inside approximately 50 yards, they will switch from the simulator to hitting into live-action greens, which have actuators that can make the putting surface rotate and change.

From BBC

The team optimized the actuator structure to allow both expansion and contraction, combining it with CLCEs, and developed a highly adaptable stretchable device.

From Science Daily

Known as piezoelectricity, the ability to trade between mechanical stress and electric charge can be harnessed widely in capacitors, actuators, transducers and sensors like accelerometers and gyroscopes for next-generation electronics.

From Science Daily

The researchers say the combination of soft electrical actuators with neurotechnology could be an answer to minimally invasive monitoring and treatment for a range of neurological conditions.

From Science Daily

In collaboration with the University of Tokyo and Bridgestone Corporation, Kyoto University has now developed a method to control pneumatic artificial muscles, which are soft robotic actuators.

From Science Daily