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potential difference

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noun Electricity.
  1. the difference between the potentials of two points in an electric field.

Origin of potential difference

First recorded in 1895–1900
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for potential difference

potential difference

noun
  1. the difference in electric potential between two points in an electric field; the work that has to be done in transferring unit positive charge from one point to the other, measured in voltsSymbol: U, Δ V, Δφ Abbreviation: pd Compare electromotive force
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

potential difference in Science

potential difference

[pə-tĕnshəl]
  1. The difference, measured in volts, in electric potential between two points, especially two points in an electric circuit.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.