cathodic

Variant of cathode

cathode definition

cath·ode (kat̸h′ōd′)

noun

  1. in an electroplating cell, the negatively charged electrode, from which current flows
  2. in an electron tube, the negatively charged electron emitter
  3. in a battery that is a source of electric current, as a dry cell or storage battery, the positive electrode which receives the electrons from the external circuit

Etymology: coined by Michael Faraday < Gr kathodos, descent < kata-, down + -ode

Related Forms:

  • cathodic ca·thod′ic (ka t̸häd′ik) adjective

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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