Resistivity
Part of speech: noun
Definition: In general, the resistance to electric current of a material. In particular, the degree to which a material resists the flow of electricity or heat. The reciprocal of conductivity.
Impedance
Part of speech: noun
Definition: A measure of the opposition to the flow of an alternating current in a circuit; the aggregation of its resistance, inductive and capacitive reactance. Represented by the symbol Z.a measure of opposition to motion of something subjected to a force.the sound pressure divided by the particle velocity and the surface area through which an acoustic wave propagates.a measure of the opposition caused by differences between two paradigms, especially between object oriented development and relational databases