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actuator

 - 2 dictionary results

ac⋅tu⋅a⋅tor

[ak-choo-ey-ter]
–noun
1. a person or thing that actuates.
2. a servomechanism that supplies and transmits a measured amount of energy for the operation of another mechanism or system.

Origin:
1860–65; actuate + -or 2
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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ac·tu·a·tor   (āk'chōō-ā'tər)   
n.  One that activates, especially a device responsible for actuating a mechanical device, such as one connected to a computer by a sensor link.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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