actuator

[ ak-choo-ey-ter ]

/ ˈæk tʃuˌeɪ tər /

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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.

QUIZZES

Set some time apart to test your bracket symbol knowledge, and see if you can keep your parentheses, squares, curlies, and angles all straight!

Question 1 of 7

Let’s start with some etymology: What are the origins of the typographical word “bracket”?

First recorded in 1860–65; actuate + -or²

Externally, patients carry a small bag of actuator fluid, a controller, and a lithium-ion battery.
This Artificial Heart Will Soon Be on the Market in Europe|Vanessa Bates Ramirez|January 20, 2021|Singularity Hub
Noting that the buckling of such toys results in the release of a great deal of energy, they are designing actuators featuring two pop-up caps, one inside the other.
Why ‘soft robots’ have NASA, doctors, and tech whizzes so excited|jakemeth|January 1, 2021|Fortune
Obviously, the actuator had smashed his transmitter, but left the receiver section intact.
Tight Squeeze|Dean Charles Ing
The tape moved on unperturbedly, reminding him to inspect the actuator bearings and extension rods.
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 "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
The valves are mounted side by side, as shown at E, so the double actuator member may be operated by a single set of cams.
Aviation Engines|Victor Wilfred Pag