resistivity, $$\rho$$

https://doi.org/10.1351/goldbook.R05316
Electric field strength divided by the current density. This quantity is a tensor in an anisotropic medium.
Sources:
Green Book, 2nd ed., p. 15 [Terms] [Book]
PAC, 1996, 68, 957. (Glossary of terms in quantities and units in Clinical Chemistry (IUPAC-IFCC Recommendations 1996)) on page 990 [Terms] [Paper]