[ ak-choo-ey-ter ]
/ ˈæk tʃuˌeɪ tər /


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.

Words nearby actuator

Origin of actuator

First recorded in 1860–65; actuate + -or2 Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for actuator