Actuator,

Definition of Actuator:

1. Electrical, hydraulic, or pneumatic device (such as a relay) that controls the flow of material or power. Also called actuation device.

2. A device that causes a machine or other device to operate.

How to use Actuator in a sentence?

1. Having a good quality actuator running things will let you sleep a lot easier knowing it shouldnt cause any major problems.
2. I liked to study machines and today I had a look at an interesting thing called an actuator , which I had never heard of.
3. If you are working in a factory one of the most important pieces of equipment that you can have is your actuator .