actuator

ac·tu·a·tor

A a

Definitions of actuator word

noun actuator An actuator is a machine or part of a machine which moves or controls another part in response to an input. 3
noun actuator An actuator is the mechanical part of a switch that uses mechanical force to work the switch contacts. 3
noun actuator a person or thing that actuates. 1
noun actuator a servomechanism that supplies and transmits a measured amount of energy for the operation of another mechanism or system. 1
noun actuator Something that actuates something else, especially a mechanism that causes a device to be switched on or off. 1
noun actuator mechanism 1

before 1860

One of the 29% newest English words

First recorded in 1860-65; actuate + -or2

noun

adjective

verb

adverb

pronoun

preposition

conjunction

determiner

exclamation

A common word. It’s meaning is known to most children of preschool age. About 83% of English native speakers know the meaning and use the word.

Most Europeans know this English word. The frequency of it’s usage is somewhere between "mom" and "screwdriver".

This diagram is provided by Google Ngram Viewer