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servomechanism

 - 2 dictionary results

ser⋅vo⋅mech⋅an⋅ism

[sur-voh-mek-uh-niz-uhm, sur-voh-mek-]
–noun
an electronic control system in which a hydraulic, pneumatic, or other type of controlling mechanism is actuated and controlled by a low-energy signal.

Origin:
1940–45; servo- + mechanism


ser⋅vo⋅me⋅chan⋅i⋅cal [sur-voh-muh-kan-i-kuhl] , adjective
ser⋅vo⋅me⋅chan⋅i⋅cal⋅ly, adverb
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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ser·vo·mech·a·nism   (sûr'vō-měk'ə-nĭz'əm)   
n.  
  1. A feedback system that consists of a sensing element, amplifier, and servomotor, used in the automatic control of a mechanical device.

  2. A self-regulating feedback system or mechanism: "We do not need to know in detail how the minute chemical servomechanisms of the muscles operate in order to move our arms" (Harper's).


[servo(motor) + mechanism.]
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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