from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. An instrument for measuring an unknown voltage by comparison to a standard voltage.
  • n. A three-terminal resistor with an adjustable center connection, widely used for volume control in radio and television receivers. Also called pot1.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. a user-adjustable variable resistor that functions as a voltage divider.
  • n. an instrument that measures a voltage by opposing it with a precise fraction of a known voltage, and without drawing current from the unknown source.

from the GNU version of the Collaborative International Dictionary of English

  • n. An instrument for measuring or comparing electrial potentials or electro-motive forces.

from The Century Dictionary and Cyclopedia

  • n. An instrument used for measuring the difference of electrical potential between two points.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. a measuring instrument for measuring direct current electromotive forces
  • n. a resistor with three terminals, the third being an adjustable center terminal; used to adjust voltages in radios and TV sets


potenti(al) + -meter.
(American Heritage® Dictionary of the English Language, Fourth Edition)



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