the difference between the potentials of two points in an electric field.
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Origin of potential difference
First recorded in 1895–1900
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for potential difference
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
Science definitions for potential difference
[ pə-tĕn′shəl ]
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.