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potentiometer definition

po·ten·ti·om·eter (pō ten′s̸hē äm′ət ər, pə-)

noun

Elec. any of various devices for measuring, comparing, or controlling electric potentials; specif., a kind of resistor that can be varied, as in a rotary device used to control the volume of a radio, TV, etc.

Etymology: < potential + -meter

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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