For all your dictionary needs!
Spelling. Are you looking for actuate?
Header of Actuator


Video footage: Computer Hard Drive Actuator in Motion
Play/pauseBuy footageFind more

Definition of the noun actuator

What does actuator mean as a name of something?

noun - plural: actuators

  1. a mechanism that puts something into automatic action
    • lexical domain: Artifacts - nouns denoting man-made objects
    • more generic word: mechanism = device consisting of a piece of machinery
    • more specific terms: rotary actuator / positioner = the actuator that moves a read/write head to the proper data track

Alternative definition of the noun actuator


  1. Something that actuates something else, especially a mechanism that causes a device to be switched on or off
  2. [computing] The mechanism that moves the head assembly on a disk drive
  3. [context: electrical] A relay that controls the flow of electricity

Printed dictionaries and other books with definitions for Actuator

Click on a title to look inside that book (if available):

Google previewAmerican Ultraminiature Component Parts Data 1965-66 (2014)

Pergamon Electronics Data Series by G. W. A. Dummer, J. Mackenzie Robertson

GENERAL DATA The Atlas Microminiature Piston Actuator is an explosive- actuated device for producing linear motion. It can be used to operate latching or releasing mechanisms, to puncture a container, cut wires or small cables, uncage a ...

Google previewIUTAM Symposium on Flow Control and MEMS (2007)

Proceedings of the IUTAM Symposium Held at the Royal Geographical Society, 19-22 September 2006, Hosted by Imperial College, London, England by Jonathan F. Morrison

The actuator is a volume forcing of ...

Google previewAirplane Flying Handbook 2nd Edition (2011)

FAA-H-8083-3A by Federal Aviation Administration

The waste gate actuator is a spring-loaded piston, operated by engine oil pressure. The actuator, which adjusts the waste gate position, is connected to the waste gate by a mechanical linkage. The control center of the turbocharger system is ...

Google previewHydraulics and Pneumatics (2013)

A technician's and engineer's guide by Andrew Parr

Linear actuators The basic linear actuator is the cylinder, or ram, shown in schematic form in Figure 5.1. Practical constructional details are discussed later. The cylinder in Figure 5.1 consists of a piston, radius R, moving in a bore. The piston is ...

Google previewSystems Engineering with SysML/UML (2011)

Modeling, Analysis, Design by Tim Weilkiens

Actuator [SYSMOD]: An actuator is a particular external system that serves another system to influence its environment. Aggregation [UML]: Describes a class as an aggregate and specifies a whole-part relationship between the aggregate ...

Google previewPrinciples of Package Development (2012)

by Roger C. Griffin

The actuator is the final nozzle and the means by which the stem is depressed to release the contents. Various shapes and sizes of orifices are used to shape the spray pattern. Various designs are used to make sure that spray cannot be ...

Google previewPoucher’s Perfumes, Cosmetics and Soaps (2013)

by H. Butler

The components are: actuator, valve cup, outer gasket, stem, gasket, spring, housing and diptube. The actuator is the button on the top of the valve and although it is used ...

Google previewThe Handbook of Touch (2011)

Neuroscience, Behavioral, and Health Perspectives by Dr. Matthew J. Hertenstein, PhD, Dr. Sandra J. Weiss, PhD, DNSc, RN

The actuator is a velocity source, so that an electrical input signal generates a motion, rather than force, output. Such force-based systems can theoretically display the same motion-force relationships as impedance systems, but with a different ...

Google previewMechatronics (2004)

An Integrated Approach by Clarence W. de Silva

Actuator is the device that mechanically drives a mechatronic system. There are many classifications of actuators. Those that directly operate a process (load, plant) are termed process actuators. Joint motors in a robotic manipulator are good ...

Google previewSmall Wonders, Endless Frontiers (2002)

A Review of the National Nanotechnology Initiative by Committee for the Review of the National Nanotechnology Initiative, Division on Engineering and Physical Sciences, National Research Council

One ubiquitous natural actuator is the ATPase motor, a few hundred nanometers in size, that utilizes naturally occurring substances to provide actuation in living systems. Nanotechnology is allowing scientists to fabricate inorganic materials at ...

Google previewEncyclopedia of Automotive Engineering (2015)

by David Crolla

The air throttle, EGR valve, and VGT vane are controlled using actuator commands: uat, uegr, and uvgt, respectively. The intake and exhaust camshaft phasing are controlled using commands uicam and uecam. Engines with electronic fuel ...

Google previewOBD2 Automotive Code Encyclopedia and Cross Reference Guide

5v with the 2nd Gear Actuator energized (this test must fail twice on one trip to set this code).

Google previewDictionary of Industrial Terms (2013)

by Michael D. Holloway, Chikezie Nwaoha

Plant Engineering Actuator: A mechanism of the switch or switch enclosure which operates the contacts. Electrical Engineering Actuator: An actuator is a mechanical device for moving or controlling a mechanism or system. On a steam line ...

Google previewConcise Encyclopedia of System Safety (2011)

Definition of Terms and Concepts by Clifton A. Ericson, II

ACTUATOR An actuator is an electromechanical device that is a mechanism used to effect or produce motion. It is a power mechanism that typically converts electrical, hydraulic, or pneumatic energy into longitudinal or rotary motion. Actuators ...

Google previewDictionary Of Civil Engineering (1992)

by John S. Scott

actuator An electrical, pneumatic, hydraulic or mechanical device that provides a push, pull, rotation or other controlled motion when it receives a signal, usually electrical. Solenoids are often the main part of an actuator.

Google previewEncyclopedia of Behavioral Neuroscience, Three-Volume Set, 1- 3 (2010)

creates a direct pathway between the brain and an artificial actuator. A BMI is comprised of four parts: a recording device to capture brain signals, a decoding ...

Google previewComprehensive Dictionary of Chemical Engineering (2015)

by Muhammad Rashid Usman

Actuator: Actuator is a device that reacts in response to a signal to produce the desired effect in a process variable. In most cases, the term is applied for the devices that automatically adjust the movement of a control valve. A pneumatic ( that is ...

Google previewA Dictionary of Mechanical Engineering (2013)

by Anthony G. Atkins, Tony Atkins, Marcel Escudier

hydraulic actuator A device which uses the ...

Online dictionaries and encyclopedias with entries for Actuator

Click on a label to prioritize search results according to that topic:

Photos about Actuator

Click on an item to view that photo:


If you need related images for an article or a report, you can download stock photos:
Small photo of Pneumatic valve with actuatorSmall photo of Inside Hard Disk Drive (HDD)-Computer Hardware Components Focus on Actuator Arm.Small photo of Pneumatic valve with actuatorSmall photo of Electric actuator for industrial mill in workshop. Close up.Small photo of Electric actuator for industrial mill in workshop. Tilt shift effect. Close up.Small photo of Electric actuator for industrial mill in workshop. Close up. Cold toned imageSmall photo of Pipeline fittings system. Cast iron Butterfly Valve with actuator. Isolated. More...

Video language resources about Actuator

Click on an item to play that video:

See also the pronunciation examples of Actuator!

Scrabble value of A1C3T1U1A1T1O1R1

The value of this 8-letter word is 10 points. It is included in the first and second editions of the Official Scrabble Players Dictionary.

Anagrams of ACTUATOR

What do you get if you rearrange the letters?

See also the blanagrams of Actuator!

Share this page


Go to the usage examples of Actuator to see it in context!

Privacy Policy | Cookies Policy
Keyword Tool | Romanian-English Dictionary