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“potentiometer”
1. An instrument for measuring an unknown voltage by comparison to a standard voltage: The electrician used a potentiometer to assess the voltage that had been used in the old villa.
A potentiometer is a device that measures electromotive force or potential difference by comparing a part of the voltage to be measured against a known electromotive force.
2. A three-terminal resistor with an adjustable center connection: A potentiometer is widely used for volume control in radio and television receivers.
This entry is located in the following units:
meter-, metro-, metr-, -metrical, -metrically, -metron, -metric, -metrist, -meter, -meters, -metry, -metre
(page 33)
poten-, pot-, poss-, -potent, -potence, -potency, -potential +
(page 6)