(ˈ)ka|thädik, -ōd-, kəˈthä- adjective
1.
a. : of, at, or relating to a cathode
cathodic deposition of metals
— opposed to anodic
b. of a chemical element : tending to form a cathode in an electrochemical cell in relation to another element, often hydrogen
copper is cathodic to zinc
2. or kathodic : turned away — used of that half of a leaf which is turned away from the course of the genetic spiral; compare anodic
• cath·od·i·cal·ly -ə̇k(ə)lē adverb