What is specific resistance?

Specific Resistance
A measure of the potential electrical resistance of a conductive material. It is determined experimentally using the equation ρ = RA/l, where R is the measured resistance of some length of the material, A is its cross-sectional area (which must be uniform), and l is its length.

Specific resistance OR resistivity of a substance is the Resistance Offered by 1 Unit volume of that substance (volume can have units in cm³ , m³ etc.. )