Conductivity

[Sarah]

The quality or power of conducting, or of receiving andtransmitting, as, the conductivity of a nerve. Thermal conductivity(Physics), the quantity of heat that passes in unit time through unitarea of plate whose thickness is unity, when its opposite facesdiffer in temperature by one degree. J. D. Everett.-- Thermometic conductivity (Physics), the thermal conductivity whenthe unit of heat employed is the heat required to raise unit volumeof the substance one degree.

[Jessica]

The degree to which a specified material conducts electricity, calculated as the ratio of the current density in the material to the electric field which causes the flow of current.