cathodic
  負極的
  cath·od·ic /kæˈθodɪk/ 形容詞
  陰極的,朝向陰極的
  Ca·thod·ic a. Physiol. A term applied to the centrifugal, or efferent, course of the nervous influence.
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  cathodic
       adj : of or at or pertaining to a cathode; "cathodic deposition of
             metals" [ant: anodic]