polarization, ζ

in electrochemistry
https://doi.org/10.1351/goldbook.P04713
The difference of the
electrode potential
from the
corrosion potential
. The symbol should not be used for
polarization
.
Source:
PAC, 1989, 61, 19. (Electrochemical corrosion nomenclature (Recommendations 1988)) on page 21 [Terms] [Paper]