Definition of capacitance
1a
: the property of an electric nonconductor that permits the storage of energy as a result of the separation of charge that occurs when opposite surfaces of the nonconductor are maintained at a difference of potential
b
: the measure of this property that is equal to the ratio of the charge on either surface to the potential difference between the surfaces
2
: a part of a circuit or network that possesses capacitance
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Merriam-Webster unabridged
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Time Traveler for capacitance
The first known use of capacitance was in 1893
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