The quality or state of having equal potential throughout; the characteristic of being equipotential.
Noun formation from equipotential using the -ity suffix (from Latin -itas), creating an abstract noun describing the property or condition. Standard English nominalization of an adjective.
The equipotentiality of an electric field is what makes lightning bolts possible—charges want to flow from areas of different potential, but within an equipotential zone, nothing wants to move!
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