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potentiometer

Pronunciation: po-ten'she-om'e-ter

Definition:

  1. An instrument used for measuring small differences in electrical potential.
  2. An electrical resistor of fixed total resistance between two terminals, but with a third terminal attached to a slider that can make contact at any desired point along the resistance.

[L. potentia, power, + G. metron, measure]

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© Copyright 2017 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.
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