from The American Heritage® Dictionary of the English Language, 5th Edition.

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

from The Century Dictionary.

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

from the GNU version of the Collaborative International Dictionary of English.

  • noun (Elec.) An instrument for measuring or comparing electrial potentials or electro-motive forces.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun electronics a user-adjustable variable resistor that functions as a voltage divider.
  • noun physics 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 WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

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


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

[potenti(al) + –meter.]



Log in or sign up to get involved in the conversation. It's quick and easy.