cathodic

from WordNet (r) 3.0 (2006)

cathodic
    adj 1: of or at or pertaining to a cathode; "cathodic deposition
           of metals" [ant: {anodal}, {anodic}]

from The Collaborative International Dictionary of English v.0.48

Cathodic \Ca*thod"ic\ (k[.a]*th[o^]d"[i^]k), a. (Physiol.)
   A term applied to the centrifugal, or efferent, course of the
   nervous influence. --Marshall Hall.
   [1913 Webster] Cathodograph