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servomechanism definition

servo·mecha·nism (sʉr′vō mek′ə niz′əm)

noun

an automatic control system in which the output is constantly or intermittently compared with the input through feedback so that the error or difference between the two quantities can be used to bring about the desired amount of control

Etymology: < servomotor + mechanism

Webster's New World College Dictionary Copyright © 2005 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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