potential-difference

potential difference

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

Origin:
1895–1900

Dictionary.com Unabridged
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World English Dictionary
potential difference
 
n
Compare electromotive force U, ΔV, Δφ, pd 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 volts

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American Heritage
Science Dictionary
potential difference   (pə-těn'shəl)  Pronunciation Key 
The difference, measured in volts, in electric potential between two points, especially two points in an electric circuit.
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