capacitance
ca.pac.i.tance \k*-'pas-*t-*n(t)s\ \-'pas-*t-iv\ n [capacity] 1a: the property of an electric nonconductor that permits the storage of en ergy as a result of electric displacement when opposite surfaces of the nonconductor are maintained at a difference of potential 1b: the measure of this property 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 - ca.pac.i.tive aj