CONDUCTIVITY

n. property or power of conducting (heat, electricity, etc.)

Conductivity may refer to:Electrical conductivity, a measure of a material's ability to conduct an electric currentThermal conductivity, the intensive property of a material that indicates its ability to conduct heatRayleigh conductivity, describing the behavior of apertures concerning the flow of a liquid or gas
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Noun
1. the transmission of heat or electricity or sound
(synonym) conduction
(hypernym) physical phenomenon
(hyponym) electrical conduction

(n.)
The quality or power of conducting, or of receiving and transmitting, as heat, electricity, etc.; as, the conductivity of a nerve.
  

A measure of the ability of a solution to carry an electrical current.