the difference between the potentials of two points in an electric field.
Origin
1895-1900
Examples from the web for potential difference
However, since the eel has a much larger potential difference, the effects can be severe.
Electrochemical potential difference drives the reaction.
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 volts U, ΔV, Δφ, pd Compare electromotive force
potential difference in Science
potential difference
(pə-těn'shəl) The difference, measured in volts, in electric potential between two points, especially two points in an electric circuit.