A metal or material that readily gives up electrons to a cathodic (noble) material. (See anodic.) An active metal will corrode in the presence of moisture when in contact with a cathodic metal.
« Back to GlossaryA metal or material that readily gives up electrons to a cathodic (noble) material. (See anodic.) An active metal will corrode in the presence of moisture when in contact with a cathodic metal.
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