EXAMPLES | WORD ORIGIN noun . Electricity a device for measuring electromotive force or potential difference by comparison with a known voltage. Related forms po·ten·ti·o·met·ric , [p uh-ten-shee- uh- me-trik] /pəˌtɛn ʃi əˈmɛ trɪk/ adjective
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for potentiometer Historical Examples of potentiometer British Dictionary definitions for potentiometer noun an instrument for determining a potential difference or electromotive force by measuring the fraction of it that balances a standard electromotive force a device with three terminals, two of which are connected to a resistance wire and the third to a brush moving along the wire, so that a variable potential can be tapped off: used in electronic circuits, esp as a volume control
Sometimes shortened to:
pot Derived Forms potentiometry, noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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Word Origin and History for potentiometer n.
1868, a hybrid formed from comb. form of Latin
potentia "power" (see potential) + Greek-derived -meter.
Online Etymology Dictionary, © 2010 Douglas Harper
A mechanical variable resistor. See more at resistor. An instrument for measuring an unknown voltage by comparison with a known voltage, such as that of a generator.
The American Heritage® Science Dictionary
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