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actuator

[ ak-choo-ey-ter ]

/ ˈæk tʃuˌeɪ tər /

|

noun

a person or thing that actuates.

a servomechanism that supplies and transmits a measured amount of energy for the operation of another mechanism or system.

Nearby words

Origin of actuator

First recorded in 1860–65; actuate + -or²

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for actuator

The "internal controller," the actuator of all spirits, according to the text: Who abiding in the soul, rules the soul within.
The Sarva-Darsana-Samgraha|Madhava Acharya
He struggled with his vulcanized suit, trying to squeeze from under the actuator.
Tight Squeeze|Dean Charles Ing
When I put enough voltage across its terminals, the actuator clicked down through the core.
The Trouble with Telstar|John Berryman
The tape moved on unperturbedly, reminding him to inspect the actuator bearings and extension rods.
Tight Squeeze|Dean Charles Ing

Obviously, the actuator had smashed his transmitter, but left the receiver section intact.
Tight Squeeze|Dean Charles Ing