a. [f. EQUI- + POTENTIAL.]

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  † 1.  Of equal power or authority. Obs.

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a. 1678.  Woodhead, Holy Living (1688), 56. Not equipotential, or independent one of another.

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  2.  Physics. Of points: In which the potential of a force is the same. Of lines, surfaces, etc.: In which the potential is constant at all points. Equipotential function: one that expresses the conditions of equality of potential.

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1880.  Nature, XXI. 361. A disk, through which an electric current was passing until two nearly equipotential points were found.

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1880.  Athenæum, 13 Nov., 644/1. Equipotential lines in a plate.

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1881.  Maxwell, Electr. & Magn., I. 14. When a potential function exists, surfaces for which the potential is constant are called Equipotential surfaces.

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1882.  Minchin, Unipl. Kinemat., 228. Equipotential and flow functions.

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